-
Weather Satellite History
Harry Wexler is one of the first scientists to envision using satellites for meteorological purposes; he is remembered as the father of the TIROS weather satellite. Tiros 1, was launched into low Earth orbit on 1 April 1960 to become the world's first meteorological satellite. During its 77-day lifetime it returned 22 952 pictures. Despite its low resolution, the video camera showed clearly that E
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Receiving NOAA Weather Satellite Images with $10 USB SDR Device Tutorial
Receiving NOAA weather satellite imagery with my USB Software Defined Radios
Check out more of my SDR & Radio videos here: http://youtube.com/c/ericwilliam
Subscribe for new videos every Monday and Friday!
A bit of a tutorial.. Using the NooElec R820t in this recording. I use Orbitron and WxtoImg to decode the stream and I think it works out pretty well. I am using a QFH antenna inside my att
-
Himawari 8 - Japanese weather satellite - take image of Earth every 10 min
Himawari 8 is a Japanese weather satellite, the 8th of the Himawari geostationary weather satellite operated by the Japan Meteorological Agency.
Takes 144 photographs of the entire planet a day.
• Video: Earth via Himawari 8 satelite - 10 min relax repeat - day&night;
https://www.youtube.com/watch?v=SSqgMF596MI
More info:
• https://en.wikipedia.org/wiki/Himawari_8
• http://himawari8.nict.go.jp
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A Year of Weather 2013
This visualisation, comprised of imagery from the geostationary satellites of EUMETSAT, NOAA and the JMA, shows an entire year of weather across the globe during 2013, with audio commentary from Mark Higgins, Training Officer at EUMETSAT.
The satellite data layer is superimposed over NASA's 'Blue Marble Next Generation' ground maps, which change with the seasons.
You can see 2015's Year of Weath
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High Detail Weather Images from Russian Meteor M2 Satellite Using SDR
Using a cheap SDR to decode high detail weather images.
Check out more of my Satellite and SDR videos here: http://youtube.com/c/ericwilliam
Subscribe for new videos every Monday and Friday!
Use your Software Defined Radio (or any receiver) to receive and decode images from the NEW Russian Meteor M2 weather satellite. In this video I will show you how to use your $10 USB SDR and some free softwa
-
APT Weather Satellite Reception with RTL-SDR, SDR#, WXtoImg, and Orbitron
A while back, I did a video showing reception of APT weather satellite imagery. I thought it would be nice to do a more detailed video explaining the process and showing how to set up various pieces of software.
Here's the original video: http://youtu.be/ezFu7UMtGPI
The NooElec NESDR Mini 2 (affiliate link): http://www.amazon.com/dp/B00P2UOU72/?tag=bosbe02-20
Quadrifilar helix antenna: http://p
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Receiving NOAA weather satellite using SDR# and WXtoImg
Equipment used:
- ezcap USB 2.0 DVB-T/DAB/FM dongle
- Homebrew QFH antenna, build from PVC pipe and coax cable.
see http://jcoppens.com/ant/qfh/calc.en.php for building instructions.
- SDR# (http://sdrsharp.com)
- WXtoImg (http://www.wxtoimg.com)
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Watchful Eyes: The Role of Geostationary Weather Satellites
"Sunday, Sept. 9, 1900, revealed one of the most horrible sights that ever a civilized people looked upon," reported Isaac Cline, chief of the U.S. Weather Bureau office in Galveston, Texas, the day after the worst hurricane in U.S. history roared ashore. "Watchful Eyes" chronicles the advent of NOAA's Geostationary Operational Environmental Satellite (GOES) system and its value to forecasters, em
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Tianjin explosion captured by weather satellite
Animation of a Japanese weather satellite capturing the Tianjin explosion.
www.reported.ly
www.twitter.com/reportedly/
www.facebook.com/reportedly/
www.instagram.com/reportedly
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NewsLife: PH to launch 'Project Diwata' weather satellite || July 7, 2014
NewsLife: PH to launch 'Project Diwata' weather satellite || July 7, 2014 (Reported By: Jonathan Llanes)
For more news, visit:
►http://www.ptvnews.ph
Subscribe to our youtube account:
►http://www.youtube.com/ptvphilippines
Like our facebook page:
►PTV: http://facebook.com/PTVph
►Good Morning Boss: https://www.facebook.com/GMorningBoss
►NEWS@1: http://facebook.com/PTVnewsat1
►NEWS@6: http://f
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Ham Radio - Receiving NOAA Weather Satellite Images
2e0hts - Radio Ham receiving live weather images from Earth orbiting NOAA 15 on 137.620 MHz.
more 2e0hts ham radio at: http://2e0hts-hamradio.weebly.com/
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2011 whole year weather radar & satellite U.S.
Weather radar and satellite for 2011 with embedded annotations of some significant events. Detailed discussion at http://egb13.net/?p=576.
Audio licenssed under "CC BY NC 3.0":
"Lonely Man" by Jeris @ ccmixter.org/people/VJ_Memes
"Caught In A Strange World" by Realist @ ccmixter.org/people/Realist
"DICE - Delightful Melancholy" by TheDICE @ ccmixter.org/people/TheDICE
Video alone withou
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NASA | Building the Nation's Newest Weather Satellite
Say you need a new weather satellite. Is it as simple as selecting options and clicking to order? Not quite. Building a vital national asset like the GOES-R spacecraft takes teams of meteorologists and engineers working together to figure out new ways for getting the best weather forecast possible. After all, reliable weather forecasts affect all aspects of life, from recreation to commerce to def
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Homemade Ham Radio and Weather Satellite Antenna
Homemade satellite radio amateur and weather tracking antenna. Satellite antenna uses a PC with the Satcom application to track satellites as they pass. System took about 7 months to build and was made totally from discrete parts and supplies. Frame was welded from 1" raw steel tube stock.
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2008 Weather Satellite Infrared Time-lapse
All the weather for 2008 in the contiguous US states from the eastern GOES satellite. Details discussed at http://egb13.net/2009/03/2008geos/
This was the wettest year on record here in the mid-Mississippi valley, and the 2008 Atlantic hurricane season was a fairly busy one.
Note that the images used here do not show clouds per se — it is infrared sensing. That generally correlates to cloud
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New Weather Satellite in Orbit
The National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, was launched from Vandenberg Air Force Base in California on Oct. 28, heralding a new era of climate change science and weather forecasting for the United States.
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Weather Satellite Orbits
NOAA uses data from its GOES and POES satellites along with those of its partners, such as NASA and EUMETSAT to generate your weather forecast each day. These satellites fall into two different orbit types--those that focus on one part of Earth (geostationary) and those that orbit around Earth (polar-orbiting). This animation shows the orbits of the satellites NOAA currently uses.
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NASA weather satellite
NASA launches a new weather satellite Thursday morning.
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Chennai weather satellite - Nov 2015
Heavy rains lashed Chennai - The weather map shows rain clouds approaching chennai and a low pressure trough in the bay of Bengal. More rains are Expected for at least another two days
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GOES-O Weather Satellite Launches
he Delta IV carrying GOES-O lifted off at 6:51 p.m. EDT from Launch Complex 37 at Cape Canaveral Air Force Station in Florida.
After reaching orbit, GOES-O will become GOES-14. The satellite will be used to monitor and predict weather, measure ocean temperatures, perform climate studies, and detect hazards with its emergency beacon support and Search and Rescue Transponder.
GOES-O was built
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Weather Satellite NOAA 18 received with RTL2832, SDR# and WXtoimg
Empfang des Wettersatelitten NOAA 18, mit einem DVB-T Stick inkl. RTL2832 Chip. Der Software SDR#, WXtoimg und WXtrack.
Anleitung zum Bau der Antenne: http://www.dl7awl.de/dipol.htm
Ein Reflektor ist sehr nützlich. Anleitungen und Maße finden sich ebenfalls im Internet.
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NASA and NOAA's GOES-O Weather Satellite Launches On A Delta IV Medium+ Rocket From Cape Canaveral
The latest Geostationary Operational Environmental Satellite, GOES-O, soared into space today after a successful launch from Space Launch Complex 37 at the Cape Canaveral Air Force Station in Florida.
The GOES-O spacecraft lifted off at 6:51 p.m. EDT on a Delta IV rocket. The National Oceanic and Atmospheric Administration's GOES-O satellite will improve weather forecasting and monitor environmen
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First Weather Satellite: Vanguard 2 Launch, February 17, 1959 Universal Newsreel 1959-02-19
more at http://scitech.quickfound.net/astro/space_news.html
Vanguard 2 (Vanguard II) is launched on February 17, 1959. Vanguard 2 is still in orbit, and expected to remain in orbit for about 300 years.
There is a slight gap in the audio near the beginning of this newsreel, which was in the original from the National Archives.
From Universal Newsreel V32 R15 1959-02-19.
Public domain film from
Weather Satellite History
Harry Wexler is one of the first scientists to envision using satellites for meteorological purposes; he is remembered as the father of the TIROS weather satell...
Harry Wexler is one of the first scientists to envision using satellites for meteorological purposes; he is remembered as the father of the TIROS weather satellite. Tiros 1, was launched into low Earth orbit on 1 April 1960 to become the world's first meteorological satellite. During its 77-day lifetime it returned 22 952 pictures. Despite its low resolution, the video camera showed clearly that Earth's cloud cover was organised through patterns on a global scale, corresponding to major weather systems. Tiros 2 followed in November, too late for the 1960 hurricane season but ready for operation when the 1961 season began. From now on, tropical storms would no longer strike by surprise.
wn.com/Weather Satellite History
Harry Wexler is one of the first scientists to envision using satellites for meteorological purposes; he is remembered as the father of the TIROS weather satellite. Tiros 1, was launched into low Earth orbit on 1 April 1960 to become the world's first meteorological satellite. During its 77-day lifetime it returned 22 952 pictures. Despite its low resolution, the video camera showed clearly that Earth's cloud cover was organised through patterns on a global scale, corresponding to major weather systems. Tiros 2 followed in November, too late for the 1960 hurricane season but ready for operation when the 1961 season began. From now on, tropical storms would no longer strike by surprise.
- published: 13 Dec 2013
- views: 11125
Receiving NOAA Weather Satellite Images with $10 USB SDR Device Tutorial
Receiving NOAA weather satellite imagery with my USB Software Defined Radios
Check out more of my SDR & Radio videos here: http://youtube.com/c/ericwilliam
Subs...
Receiving NOAA weather satellite imagery with my USB Software Defined Radios
Check out more of my SDR & Radio videos here: http://youtube.com/c/ericwilliam
Subscribe for new videos every Monday and Friday!
A bit of a tutorial.. Using the NooElec R820t in this recording. I use Orbitron and WxtoImg to decode the stream and I think it works out pretty well. I am using a QFH antenna inside my attic so the reception could definitely be better if the antenna was better placed.
Here is the antenna I'm using:
http://www.antennas.us/store/p/404-UC-1374-531-4-dBic-VHF-APT-Weather-Satellite-Antenna-WXSAT.html
Here is an inexpensive DIY version you can build:
http://www.g4ilo.com/qfh.html
These settings work well for me but you may need to tune you setup to gain the best results.
Free Software used:
SDR Sharp
Orbitron
WXtoImg
See Part 2 here:
http://www.youtube.com/watch?v=WTPVE5DUvT8&list;=PLxyM2a_cfnzgv30vrsxayCxWWoKAFGgEo
------------------------------------------------------
My Website & Forum:
http://mkme.org
Store:
http://www.mkme.org/index.php/store/
-----------------------------------------------------
Some of my popular playlists:
+ DIY Brain Computer/Robot Interface & Tutorials: http://goo.gl/pi0AFV
+ InMoov DIY 3D printed humanoid robot: http://goo.gl/j9DS4U
+ Arduino Projects and Tutorials: http://goo.gl/6GmwcZ
+ Arduino Autonymous Robot build: http://goo.gl/WUkpmC
+ Software Defined & Amateur Radio & Tutorials http://goo.gl/MQY223
+ DIY mission to space: http://goo.gl/3480Ev
+ DIY home cockpit flight simulator: http://goo.gl/85lZGR
+ Interfacing Arduino to flight simulator & Tutorials: http://goo.gl/syaETt
------------------------------------------------------
Get Social!
https://plus.google.com/+EricWilliam
http://twitter.com/MKmeOrg
http://www.facebook.com/EricWilliam13
Cheers!
wn.com/Receiving Noaa Weather Satellite Images With 10 Usb Sdr Device Tutorial
Receiving NOAA weather satellite imagery with my USB Software Defined Radios
Check out more of my SDR & Radio videos here: http://youtube.com/c/ericwilliam
Subscribe for new videos every Monday and Friday!
A bit of a tutorial.. Using the NooElec R820t in this recording. I use Orbitron and WxtoImg to decode the stream and I think it works out pretty well. I am using a QFH antenna inside my attic so the reception could definitely be better if the antenna was better placed.
Here is the antenna I'm using:
http://www.antennas.us/store/p/404-UC-1374-531-4-dBic-VHF-APT-Weather-Satellite-Antenna-WXSAT.html
Here is an inexpensive DIY version you can build:
http://www.g4ilo.com/qfh.html
These settings work well for me but you may need to tune you setup to gain the best results.
Free Software used:
SDR Sharp
Orbitron
WXtoImg
See Part 2 here:
http://www.youtube.com/watch?v=WTPVE5DUvT8&list;=PLxyM2a_cfnzgv30vrsxayCxWWoKAFGgEo
------------------------------------------------------
My Website & Forum:
http://mkme.org
Store:
http://www.mkme.org/index.php/store/
-----------------------------------------------------
Some of my popular playlists:
+ DIY Brain Computer/Robot Interface & Tutorials: http://goo.gl/pi0AFV
+ InMoov DIY 3D printed humanoid robot: http://goo.gl/j9DS4U
+ Arduino Projects and Tutorials: http://goo.gl/6GmwcZ
+ Arduino Autonymous Robot build: http://goo.gl/WUkpmC
+ Software Defined & Amateur Radio & Tutorials http://goo.gl/MQY223
+ DIY mission to space: http://goo.gl/3480Ev
+ DIY home cockpit flight simulator: http://goo.gl/85lZGR
+ Interfacing Arduino to flight simulator & Tutorials: http://goo.gl/syaETt
------------------------------------------------------
Get Social!
https://plus.google.com/+EricWilliam
http://twitter.com/MKmeOrg
http://www.facebook.com/EricWilliam13
Cheers!
- published: 23 Jan 2014
- views: 33044
Himawari 8 - Japanese weather satellite - take image of Earth every 10 min
Himawari 8 is a Japanese weather satellite, the 8th of the Himawari geostationary weather satellite operated by the Japan Meteorological Agency.
Takes 144 pho...
Himawari 8 is a Japanese weather satellite, the 8th of the Himawari geostationary weather satellite operated by the Japan Meteorological Agency.
Takes 144 photographs of the entire planet a day.
• Video: Earth via Himawari 8 satelite - 10 min relax repeat - day&night;
https://www.youtube.com/watch?v=SSqgMF596MI
More info:
• https://en.wikipedia.org/wiki/Himawari_8
• http://himawari8.nict.go.jp/
© image & video from:
http://himawari8.nict.go.jp/
http://www.nytimes.com/interactive/2015/07/10/science/An-Image-of-Earth-Every-Ten-Minutes.html
wn.com/Himawari 8 Japanese Weather Satellite Take Image Of Earth Every 10 Min
Himawari 8 is a Japanese weather satellite, the 8th of the Himawari geostationary weather satellite operated by the Japan Meteorological Agency.
Takes 144 photographs of the entire planet a day.
• Video: Earth via Himawari 8 satelite - 10 min relax repeat - day&night;
https://www.youtube.com/watch?v=SSqgMF596MI
More info:
• https://en.wikipedia.org/wiki/Himawari_8
• http://himawari8.nict.go.jp/
© image & video from:
http://himawari8.nict.go.jp/
http://www.nytimes.com/interactive/2015/07/10/science/An-Image-of-Earth-Every-Ten-Minutes.html
- published: 11 Jul 2015
- views: 29836
A Year of Weather 2013
This visualisation, comprised of imagery from the geostationary satellites of EUMETSAT, NOAA and the JMA, shows an entire year of weather across the globe durin...
This visualisation, comprised of imagery from the geostationary satellites of EUMETSAT, NOAA and the JMA, shows an entire year of weather across the globe during 2013, with audio commentary from Mark Higgins, Training Officer at EUMETSAT.
The satellite data layer is superimposed over NASA's 'Blue Marble Next Generation' ground maps, which change with the seasons.
You can see 2015's Year of Weather here: https://www.youtube.com/watch?v=i4mBYwBNULk
wn.com/A Year Of Weather 2013
This visualisation, comprised of imagery from the geostationary satellites of EUMETSAT, NOAA and the JMA, shows an entire year of weather across the globe during 2013, with audio commentary from Mark Higgins, Training Officer at EUMETSAT.
The satellite data layer is superimposed over NASA's 'Blue Marble Next Generation' ground maps, which change with the seasons.
You can see 2015's Year of Weather here: https://www.youtube.com/watch?v=i4mBYwBNULk
- published: 27 Jan 2014
- views: 201537
High Detail Weather Images from Russian Meteor M2 Satellite Using SDR
Using a cheap SDR to decode high detail weather images.
Check out more of my Satellite and SDR videos here: http://youtube.com/c/ericwilliam
Subscribe for new v...
Using a cheap SDR to decode high detail weather images.
Check out more of my Satellite and SDR videos here: http://youtube.com/c/ericwilliam
Subscribe for new videos every Monday and Friday!
Use your Software Defined Radio (or any receiver) to receive and decode images from the NEW Russian Meteor M2 weather satellite. In this video I will show you how to use your $10 USB SDR and some free software to decode high resolution images from the low earth orbit satellite. Enjoy!
PDF: http://www.rtl-sdr.com/wp-content/uploads/2014/09/Happysat_Meteosat_LRPT_Tutorial.pdf
LRPTRX Prog: https://www.dropbox.com/s/qq1fjyitpa3j14o/software.zip
Decoder program: http://meteor.robonuka.ru/soft/
Tom's great YT Channel (some great Meteor vids): https://www.youtube.com/channel/UC9H8y-0V427eZHRRc3tHBeA
------------------------------------------------------
My Website and Related:
http://mkme.org
Patreon:
http://www.patreon.com/EricWilliam
Store:
http://www.mkme.org/index.php/store/
G+ Community!:
http://goo.gl/6rMPsi
Facebook Page:
http://goo.gl/aXg29
-----------------------------------------------------
Some of my popular playlists:
+ DIY Brain Computer/Robot Interface & Tutorials: http://goo.gl/pi0AFV
+ InMoov DIY 3D printed humanoid robot: http://goo.gl/j9DS4U
+ Arduino Projects and Tutorials: http://goo.gl/6GmwcZ
+ Arduino Autonymous Robot build: http://goo.gl/WUkpmC
+ Software Defined & Amateur Radio & Tutorials http://goo.gl/MQY223
+ DIY mission to space: http://goo.gl/3480Ev
+ DIY home cockpit flight simulator: http://goo.gl/85lZGR
+ Interfacing Arduino to flight simulator & Tutorials: http://goo.gl/syaETt
------------------------------------------------------
Get Social with Me!
https://plus.google.com/+EricWilliam
http://twitter.com/MKmeOrg
http://www.facebook.com/EricWilliam13
Cheers!
wn.com/High Detail Weather Images From Russian Meteor M2 Satellite Using Sdr
Using a cheap SDR to decode high detail weather images.
Check out more of my Satellite and SDR videos here: http://youtube.com/c/ericwilliam
Subscribe for new videos every Monday and Friday!
Use your Software Defined Radio (or any receiver) to receive and decode images from the NEW Russian Meteor M2 weather satellite. In this video I will show you how to use your $10 USB SDR and some free software to decode high resolution images from the low earth orbit satellite. Enjoy!
PDF: http://www.rtl-sdr.com/wp-content/uploads/2014/09/Happysat_Meteosat_LRPT_Tutorial.pdf
LRPTRX Prog: https://www.dropbox.com/s/qq1fjyitpa3j14o/software.zip
Decoder program: http://meteor.robonuka.ru/soft/
Tom's great YT Channel (some great Meteor vids): https://www.youtube.com/channel/UC9H8y-0V427eZHRRc3tHBeA
------------------------------------------------------
My Website and Related:
http://mkme.org
Patreon:
http://www.patreon.com/EricWilliam
Store:
http://www.mkme.org/index.php/store/
G+ Community!:
http://goo.gl/6rMPsi
Facebook Page:
http://goo.gl/aXg29
-----------------------------------------------------
Some of my popular playlists:
+ DIY Brain Computer/Robot Interface & Tutorials: http://goo.gl/pi0AFV
+ InMoov DIY 3D printed humanoid robot: http://goo.gl/j9DS4U
+ Arduino Projects and Tutorials: http://goo.gl/6GmwcZ
+ Arduino Autonymous Robot build: http://goo.gl/WUkpmC
+ Software Defined & Amateur Radio & Tutorials http://goo.gl/MQY223
+ DIY mission to space: http://goo.gl/3480Ev
+ DIY home cockpit flight simulator: http://goo.gl/85lZGR
+ Interfacing Arduino to flight simulator & Tutorials: http://goo.gl/syaETt
------------------------------------------------------
Get Social with Me!
https://plus.google.com/+EricWilliam
http://twitter.com/MKmeOrg
http://www.facebook.com/EricWilliam13
Cheers!
- published: 08 Nov 2014
- views: 11827
APT Weather Satellite Reception with RTL-SDR, SDR#, WXtoImg, and Orbitron
A while back, I did a video showing reception of APT weather satellite imagery. I thought it would be nice to do a more detailed video explaining the process an...
A while back, I did a video showing reception of APT weather satellite imagery. I thought it would be nice to do a more detailed video explaining the process and showing how to set up various pieces of software.
Here's the original video: http://youtu.be/ezFu7UMtGPI
The NooElec NESDR Mini 2 (affiliate link): http://www.amazon.com/dp/B00P2UOU72/?tag=bosbe02-20
Quadrifilar helix antenna: http://perso.wanadoo.es/dimoni/ant_qha.htm
SDR#: http://www.sdrsharp.com/#download
VB-Cable: http://vb-audio.pagesperso-orange.fr/Cable/index.htm
WXtoImg: http://www.wxtoimg.com/downloads/
Orbitron: http://www.stoff.pl/downloads.php
SatelliteTracker plugin: http://public-xrp.s3.amazonaws.com/SatelliteTracker2.zip
wn.com/Apt Weather Satellite Reception With Rtl Sdr, Sdr , Wxtoimg, And Orbitron
A while back, I did a video showing reception of APT weather satellite imagery. I thought it would be nice to do a more detailed video explaining the process and showing how to set up various pieces of software.
Here's the original video: http://youtu.be/ezFu7UMtGPI
The NooElec NESDR Mini 2 (affiliate link): http://www.amazon.com/dp/B00P2UOU72/?tag=bosbe02-20
Quadrifilar helix antenna: http://perso.wanadoo.es/dimoni/ant_qha.htm
SDR#: http://www.sdrsharp.com/#download
VB-Cable: http://vb-audio.pagesperso-orange.fr/Cable/index.htm
WXtoImg: http://www.wxtoimg.com/downloads/
Orbitron: http://www.stoff.pl/downloads.php
SatelliteTracker plugin: http://public-xrp.s3.amazonaws.com/SatelliteTracker2.zip
- published: 11 Mar 2015
- views: 12945
Receiving NOAA weather satellite using SDR# and WXtoImg
Equipment used:
- ezcap USB 2.0 DVB-T/DAB/FM dongle
- Homebrew QFH antenna, build from PVC pipe and coax cable.
see http://jcoppens.com/ant/qfh/calc.en.php ...
Equipment used:
- ezcap USB 2.0 DVB-T/DAB/FM dongle
- Homebrew QFH antenna, build from PVC pipe and coax cable.
see http://jcoppens.com/ant/qfh/calc.en.php for building instructions.
- SDR# (http://sdrsharp.com)
- WXtoImg (http://www.wxtoimg.com)
wn.com/Receiving Noaa Weather Satellite Using Sdr And Wxtoimg
Equipment used:
- ezcap USB 2.0 DVB-T/DAB/FM dongle
- Homebrew QFH antenna, build from PVC pipe and coax cable.
see http://jcoppens.com/ant/qfh/calc.en.php for building instructions.
- SDR# (http://sdrsharp.com)
- WXtoImg (http://www.wxtoimg.com)
- published: 22 Mar 2013
- views: 21048
Watchful Eyes: The Role of Geostationary Weather Satellites
"Sunday, Sept. 9, 1900, revealed one of the most horrible sights that ever a civilized people looked upon," reported Isaac Cline, chief of the U.S. Weather Bure...
"Sunday, Sept. 9, 1900, revealed one of the most horrible sights that ever a civilized people looked upon," reported Isaac Cline, chief of the U.S. Weather Bureau office in Galveston, Texas, the day after the worst hurricane in U.S. history roared ashore. "Watchful Eyes" chronicles the advent of NOAA's Geostationary Operational Environmental Satellite (GOES) system and its value to forecasters, emergency management officials, and the public. GOES-R, NOAA's newest geostationary satellite represents the critical continuity of observation forecasters need to protect the communities they serve from severe weather.
wn.com/Watchful Eyes The Role Of Geostationary Weather Satellites
"Sunday, Sept. 9, 1900, revealed one of the most horrible sights that ever a civilized people looked upon," reported Isaac Cline, chief of the U.S. Weather Bureau office in Galveston, Texas, the day after the worst hurricane in U.S. history roared ashore. "Watchful Eyes" chronicles the advent of NOAA's Geostationary Operational Environmental Satellite (GOES) system and its value to forecasters, emergency management officials, and the public. GOES-R, NOAA's newest geostationary satellite represents the critical continuity of observation forecasters need to protect the communities they serve from severe weather.
- published: 30 Sep 2013
- views: 8085
Tianjin explosion captured by weather satellite
Animation of a Japanese weather satellite capturing the Tianjin explosion.
www.reported.ly
www.twitter.com/reportedly/
www.facebook.com/reportedly/
www.instagr...
Animation of a Japanese weather satellite capturing the Tianjin explosion.
www.reported.ly
www.twitter.com/reportedly/
www.facebook.com/reportedly/
www.instagram.com/reportedly
wn.com/Tianjin Explosion Captured By Weather Satellite
Animation of a Japanese weather satellite capturing the Tianjin explosion.
www.reported.ly
www.twitter.com/reportedly/
www.facebook.com/reportedly/
www.instagram.com/reportedly
- published: 12 Aug 2015
- views: 575070
NewsLife: PH to launch 'Project Diwata' weather satellite || July 7, 2014
NewsLife: PH to launch 'Project Diwata' weather satellite || July 7, 2014 (Reported By: Jonathan Llanes)
For more news, visit:
►http://www.ptvnews.ph
Subscri...
NewsLife: PH to launch 'Project Diwata' weather satellite || July 7, 2014 (Reported By: Jonathan Llanes)
For more news, visit:
►http://www.ptvnews.ph
Subscribe to our youtube account:
►http://www.youtube.com/ptvphilippines
Like our facebook page:
►PTV: http://facebook.com/PTVph
►Good Morning Boss: https://www.facebook.com/GMorningBoss
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►NEWSLIFE: http://facebook.com/PTVnewslife
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Follow us at Twitter:
►http://twitter.com/PTVph
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Watch our News Programs, every Monday to Friday
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wn.com/Newslife Ph To Launch 'Project Diwata' Weather Satellite || July 7, 2014
NewsLife: PH to launch 'Project Diwata' weather satellite || July 7, 2014 (Reported By: Jonathan Llanes)
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- published: 07 Jul 2014
- views: 3834
Ham Radio - Receiving NOAA Weather Satellite Images
2e0hts - Radio Ham receiving live weather images from Earth orbiting NOAA 15 on 137.620 MHz.
more 2e0hts ham radio at: http://2e0hts-hamradio.weebly.com/...
2e0hts - Radio Ham receiving live weather images from Earth orbiting NOAA 15 on 137.620 MHz.
more 2e0hts ham radio at: http://2e0hts-hamradio.weebly.com/
wn.com/Ham Radio Receiving Noaa Weather Satellite Images
2e0hts - Radio Ham receiving live weather images from Earth orbiting NOAA 15 on 137.620 MHz.
more 2e0hts ham radio at: http://2e0hts-hamradio.weebly.com/
- published: 11 May 2014
- views: 2027
2011 whole year weather radar & satellite U.S.
Weather radar and satellite for 2011 with embedded annotations of some significant events. Detailed discussion at http://egb13.net/?p=576.
Audio licenssed u...
Weather radar and satellite for 2011 with embedded annotations of some significant events. Detailed discussion at http://egb13.net/?p=576.
Audio licenssed under "CC BY NC 3.0":
"Lonely Man" by Jeris @ ccmixter.org/people/VJ_Memes
"Caught In A Strange World" by Realist @ ccmixter.org/people/Realist
"DICE - Delightful Melancholy" by TheDICE @ ccmixter.org/people/TheDICE
Video alone without sound can be reused under the attribution-only "CC BY 3.0" license for any purpose.
wn.com/2011 Whole Year Weather Radar Satellite U.S.
Weather radar and satellite for 2011 with embedded annotations of some significant events. Detailed discussion at http://egb13.net/?p=576.
Audio licenssed under "CC BY NC 3.0":
"Lonely Man" by Jeris @ ccmixter.org/people/VJ_Memes
"Caught In A Strange World" by Realist @ ccmixter.org/people/Realist
"DICE - Delightful Melancholy" by TheDICE @ ccmixter.org/people/TheDICE
Video alone without sound can be reused under the attribution-only "CC BY 3.0" license for any purpose.
- published: 29 Jan 2012
- views: 19285
NASA | Building the Nation's Newest Weather Satellite
Say you need a new weather satellite. Is it as simple as selecting options and clicking to order? Not quite. Building a vital national asset like the GOES-R spa...
Say you need a new weather satellite. Is it as simple as selecting options and clicking to order? Not quite. Building a vital national asset like the GOES-R spacecraft takes teams of meteorologists and engineers working together to figure out new ways for getting the best weather forecast possible. After all, reliable weather forecasts affect all aspects of life, from recreation to commerce to defense. In order to generate those forecasts experts need superb data, and in order to get it they took the best technologies available and improved on them.
This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11724
Like our videos? Subscribe to NASA's Goddard Shorts HD podcast:
http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html
Or find NASA Goddard Space Flight Center on Facebook:
http://www.facebook.com/NASA.GSFC
Or find us on Twitter:
http://twitter.com/NASAGoddard
wn.com/Nasa | Building The Nation's Newest Weather Satellite
Say you need a new weather satellite. Is it as simple as selecting options and clicking to order? Not quite. Building a vital national asset like the GOES-R spacecraft takes teams of meteorologists and engineers working together to figure out new ways for getting the best weather forecast possible. After all, reliable weather forecasts affect all aspects of life, from recreation to commerce to defense. In order to generate those forecasts experts need superb data, and in order to get it they took the best technologies available and improved on them.
This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11724
Like our videos? Subscribe to NASA's Goddard Shorts HD podcast:
http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html
Or find NASA Goddard Space Flight Center on Facebook:
http://www.facebook.com/NASA.GSFC
Or find us on Twitter:
http://twitter.com/NASAGoddard
- published: 07 Jan 2015
- views: 8946
Homemade Ham Radio and Weather Satellite Antenna
Homemade satellite radio amateur and weather tracking antenna. Satellite antenna uses a PC with the Satcom application to track satellites as they pass. Syste...
Homemade satellite radio amateur and weather tracking antenna. Satellite antenna uses a PC with the Satcom application to track satellites as they pass. System took about 7 months to build and was made totally from discrete parts and supplies. Frame was welded from 1" raw steel tube stock.
wn.com/Homemade Ham Radio And Weather Satellite Antenna
Homemade satellite radio amateur and weather tracking antenna. Satellite antenna uses a PC with the Satcom application to track satellites as they pass. System took about 7 months to build and was made totally from discrete parts and supplies. Frame was welded from 1" raw steel tube stock.
- published: 24 Sep 2010
- views: 70188
2008 Weather Satellite Infrared Time-lapse
All the weather for 2008 in the contiguous US states from the eastern GOES satellite. Details discussed at http://egb13.net/2009/03/2008geos/
This was the w...
All the weather for 2008 in the contiguous US states from the eastern GOES satellite. Details discussed at http://egb13.net/2009/03/2008geos/
This was the wettest year on record here in the mid-Mississippi valley, and the 2008 Atlantic hurricane season was a fairly busy one.
Note that the images used here do not show clouds per se — it is infrared sensing. That generally correlates to cloud cover, but its not identical. There are often low clouds when this image would make you think the sky is clear. High clouds and thick clouds with high tops — the weather makers — are what these images show most clearly. And those are the interesting ones, of course.
The whorl and play of weather systems sweeping across the continent is always fascinating. In certain seasons you can see sea breeze convergence creating diurnal pulses of cumulus clouds over Florida and the Greater Antilles. The rain shadow of mountain ranges is evident.
Video portion released under the Creative Commons Creative Commons Attribution-Share Alike 3.0 U.S. License (http://creativecommons.org/licenses/by-sa/3.0/us/).
These audio clips are used under the Creative Commons Sampling Plus 1.0 license (http://creativecommons.org/licenses/sampling+/1.0/): Thunder.wav by inchadney (http://www.freesound.org/samplesViewSingle.php?id=57062); thunder_BCN.wav by TwistedLemon (http://www.freesound.org/samplesViewSingle.php?id=6113); windchimes.mp3 by psakion (http://www.freesound.org/samplesViewSingle.php?id=13291)
wn.com/2008 Weather Satellite Infrared Time Lapse
All the weather for 2008 in the contiguous US states from the eastern GOES satellite. Details discussed at http://egb13.net/2009/03/2008geos/
This was the wettest year on record here in the mid-Mississippi valley, and the 2008 Atlantic hurricane season was a fairly busy one.
Note that the images used here do not show clouds per se — it is infrared sensing. That generally correlates to cloud cover, but its not identical. There are often low clouds when this image would make you think the sky is clear. High clouds and thick clouds with high tops — the weather makers — are what these images show most clearly. And those are the interesting ones, of course.
The whorl and play of weather systems sweeping across the continent is always fascinating. In certain seasons you can see sea breeze convergence creating diurnal pulses of cumulus clouds over Florida and the Greater Antilles. The rain shadow of mountain ranges is evident.
Video portion released under the Creative Commons Creative Commons Attribution-Share Alike 3.0 U.S. License (http://creativecommons.org/licenses/by-sa/3.0/us/).
These audio clips are used under the Creative Commons Sampling Plus 1.0 license (http://creativecommons.org/licenses/sampling+/1.0/): Thunder.wav by inchadney (http://www.freesound.org/samplesViewSingle.php?id=57062); thunder_BCN.wav by TwistedLemon (http://www.freesound.org/samplesViewSingle.php?id=6113); windchimes.mp3 by psakion (http://www.freesound.org/samplesViewSingle.php?id=13291)
- published: 29 Mar 2009
- views: 10007
New Weather Satellite in Orbit
The National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, was launched from Vandenberg Air Force Base in California on...
The National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, was launched from Vandenberg Air Force Base in California on Oct. 28, heralding a new era of climate change science and weather forecasting for the United States.
wn.com/New Weather Satellite In Orbit
The National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, was launched from Vandenberg Air Force Base in California on Oct. 28, heralding a new era of climate change science and weather forecasting for the United States.
- published: 28 Oct 2011
- views: 12129
Weather Satellite Orbits
NOAA uses data from its GOES and POES satellites along with those of its partners, such as NASA and EUMETSAT to generate your weather forecast each day. These ...
NOAA uses data from its GOES and POES satellites along with those of its partners, such as NASA and EUMETSAT to generate your weather forecast each day. These satellites fall into two different orbit types--those that focus on one part of Earth (geostationary) and those that orbit around Earth (polar-orbiting). This animation shows the orbits of the satellites NOAA currently uses.
wn.com/Weather Satellite Orbits
NOAA uses data from its GOES and POES satellites along with those of its partners, such as NASA and EUMETSAT to generate your weather forecast each day. These satellites fall into two different orbit types--those that focus on one part of Earth (geostationary) and those that orbit around Earth (polar-orbiting). This animation shows the orbits of the satellites NOAA currently uses.
- published: 25 Sep 2008
- views: 12321
NASA weather satellite
NASA launches a new weather satellite Thursday morning....
NASA launches a new weather satellite Thursday morning.
wn.com/Nasa Weather Satellite
NASA launches a new weather satellite Thursday morning.
- published: 29 Jan 2015
- views: 434
Chennai weather satellite - Nov 2015
Heavy rains lashed Chennai - The weather map shows rain clouds approaching chennai and a low pressure trough in the bay of Bengal. More rains are Expected for a...
Heavy rains lashed Chennai - The weather map shows rain clouds approaching chennai and a low pressure trough in the bay of Bengal. More rains are Expected for at least another two days
wn.com/Chennai Weather Satellite Nov 2015
Heavy rains lashed Chennai - The weather map shows rain clouds approaching chennai and a low pressure trough in the bay of Bengal. More rains are Expected for at least another two days
- published: 22 Nov 2015
- views: 446
GOES-O Weather Satellite Launches
he Delta IV carrying GOES-O lifted off at 6:51 p.m. EDT from Launch Complex 37 at Cape Canaveral Air Force Station in Florida.
After reaching orbit, GOES-O ...
he Delta IV carrying GOES-O lifted off at 6:51 p.m. EDT from Launch Complex 37 at Cape Canaveral Air Force Station in Florida.
After reaching orbit, GOES-O will become GOES-14. The satellite will be used to monitor and predict weather, measure ocean temperatures, perform climate studies, and detect hazards with its emergency beacon support and Search and Rescue Transponder.
GOES-O was built by Boeing for NASA and the National Oceanic and Atmospheric Administration. Mission lifetime is expected to be 10 years, eight of which will be operational.
If a recognizable person appears in this video, use for commercial purposes may infringe a right of privacy or publicity. It may not be used to state or imply the endorsement by NASA employees of a commercial product, process or service, or used in any other manner that might mislead. Accordingly, it is requested that if this video is used in advertising and other commercial promotion, layout and copy be submitted to NASA prior to release.
wn.com/Goes O Weather Satellite Launches
he Delta IV carrying GOES-O lifted off at 6:51 p.m. EDT from Launch Complex 37 at Cape Canaveral Air Force Station in Florida.
After reaching orbit, GOES-O will become GOES-14. The satellite will be used to monitor and predict weather, measure ocean temperatures, perform climate studies, and detect hazards with its emergency beacon support and Search and Rescue Transponder.
GOES-O was built by Boeing for NASA and the National Oceanic and Atmospheric Administration. Mission lifetime is expected to be 10 years, eight of which will be operational.
If a recognizable person appears in this video, use for commercial purposes may infringe a right of privacy or publicity. It may not be used to state or imply the endorsement by NASA employees of a commercial product, process or service, or used in any other manner that might mislead. Accordingly, it is requested that if this video is used in advertising and other commercial promotion, layout and copy be submitted to NASA prior to release.
- published: 28 Jun 2009
- views: 12762
Weather Satellite NOAA 18 received with RTL2832, SDR# and WXtoimg
Empfang des Wettersatelitten NOAA 18, mit einem DVB-T Stick inkl. RTL2832 Chip. Der Software SDR#, WXtoimg und WXtrack.
Anleitung zum Bau der Antenne: http://w...
Empfang des Wettersatelitten NOAA 18, mit einem DVB-T Stick inkl. RTL2832 Chip. Der Software SDR#, WXtoimg und WXtrack.
Anleitung zum Bau der Antenne: http://www.dl7awl.de/dipol.htm
Ein Reflektor ist sehr nützlich. Anleitungen und Maße finden sich ebenfalls im Internet.
wn.com/Weather Satellite Noaa 18 Received With Rtl2832, Sdr And Wxtoimg
Empfang des Wettersatelitten NOAA 18, mit einem DVB-T Stick inkl. RTL2832 Chip. Der Software SDR#, WXtoimg und WXtrack.
Anleitung zum Bau der Antenne: http://www.dl7awl.de/dipol.htm
Ein Reflektor ist sehr nützlich. Anleitungen und Maße finden sich ebenfalls im Internet.
- published: 26 Feb 2014
- views: 3424
NASA and NOAA's GOES-O Weather Satellite Launches On A Delta IV Medium+ Rocket From Cape Canaveral
The latest Geostationary Operational Environmental Satellite, GOES-O, soared into space today after a successful launch from Space Launch Complex 37 at the Cape...
The latest Geostationary Operational Environmental Satellite, GOES-O, soared into space today after a successful launch from Space Launch Complex 37 at the Cape Canaveral Air Force Station in Florida.
The GOES-O spacecraft lifted off at 6:51 p.m. EDT on a Delta IV rocket. The National Oceanic and Atmospheric Administration's GOES-O satellite will improve weather forecasting and monitor environmental events around the world. The satellite is the second to be launched in the GOES N series of geostationary environmental weather satellites.
"All indications are that GOES-O is in a normal orbit, with all spacecraft systems functioning properly," stated Andre Dress, GOES deputy project manager at NASA's Goddard Space Flight Center in Greenbelt, Md. "We are proud of our support teams and pleased with the performance of the Delta IV launch vehicle."
Approximately 4 hours and 21 minutes after launch, the spacecraft separated from the launch vehicle. The Universal Space Network Western Australia tracking site in Dongara monitored the spacecraft separation.
On July 7, GOES-O will be placed in its final orbit and renamed GOES-14. Approximately 24 days after launch, Boeing Space and Intelligence Systems will turn engineering control over to NASA. About five months later, NASA will transfer operational control of GOES-14 to NOAA. The satellite will be checked out, stored in orbit and available for activation should one of the operational GOES satellites degrade or exhaust its fuel.
NASA contracted with Boeing to build and launch the GOES-O spacecraft. NASA's Launch Services Program at NASA's Kennedy Space Center in Florida supported the launch in an advisory role. NOAA manages the GOES program, establishes requirements, provides all funding and distributes environmental satellite data for the United States. Goddard procures and manages the design, development and launch of the satellites for NOAA on a cost-reimbursable basis.
wn.com/Nasa And Noaa's Goes O Weather Satellite Launches On A Delta Iv Medium Rocket From Cape Canaveral
The latest Geostationary Operational Environmental Satellite, GOES-O, soared into space today after a successful launch from Space Launch Complex 37 at the Cape Canaveral Air Force Station in Florida.
The GOES-O spacecraft lifted off at 6:51 p.m. EDT on a Delta IV rocket. The National Oceanic and Atmospheric Administration's GOES-O satellite will improve weather forecasting and monitor environmental events around the world. The satellite is the second to be launched in the GOES N series of geostationary environmental weather satellites.
"All indications are that GOES-O is in a normal orbit, with all spacecraft systems functioning properly," stated Andre Dress, GOES deputy project manager at NASA's Goddard Space Flight Center in Greenbelt, Md. "We are proud of our support teams and pleased with the performance of the Delta IV launch vehicle."
Approximately 4 hours and 21 minutes after launch, the spacecraft separated from the launch vehicle. The Universal Space Network Western Australia tracking site in Dongara monitored the spacecraft separation.
On July 7, GOES-O will be placed in its final orbit and renamed GOES-14. Approximately 24 days after launch, Boeing Space and Intelligence Systems will turn engineering control over to NASA. About five months later, NASA will transfer operational control of GOES-14 to NOAA. The satellite will be checked out, stored in orbit and available for activation should one of the operational GOES satellites degrade or exhaust its fuel.
NASA contracted with Boeing to build and launch the GOES-O spacecraft. NASA's Launch Services Program at NASA's Kennedy Space Center in Florida supported the launch in an advisory role. NOAA manages the GOES program, establishes requirements, provides all funding and distributes environmental satellite data for the United States. Goddard procures and manages the design, development and launch of the satellites for NOAA on a cost-reimbursable basis.
- published: 23 Jun 2013
- views: 1285
First Weather Satellite: Vanguard 2 Launch, February 17, 1959 Universal Newsreel 1959-02-19
more at http://scitech.quickfound.net/astro/space_news.html
Vanguard 2 (Vanguard II) is launched on February 17, 1959. Vanguard 2 is still in orbit, and expect...
more at http://scitech.quickfound.net/astro/space_news.html
Vanguard 2 (Vanguard II) is launched on February 17, 1959. Vanguard 2 is still in orbit, and expected to remain in orbit for about 300 years.
There is a slight gap in the audio near the beginning of this newsreel, which was in the original from the National Archives.
From Universal Newsreel V32 R15 1959-02-19.
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Vanguard_2
Vanguard 2 or Vanguard II is an earth-orbiting satellite launched February 17, 1959 aboard a Vanguard SLV 4 rocket as part of the United States Navy's Project Vanguard. The satellite was designed to measure cloud-cover distribution over the daylight portion of its orbit, for a period of 19 days, and to provide information on the density of the atmosphere for the lifetime of its orbit (~300 years).
As of April 4, 2012, Vanguard 2 was still in orbit...
Design
The spacecraft is a magnesium sphere 20 in (50.8 cm) in diameter. It contained two optical telescopes with two photocells. The sphere was internally gold-plated, and externally covered with an aluminum deposit coated with silicon oxide of sufficient thickness to provide thermal control for the instrumentation.
Radio communication was provided by a 1 W, 108.03 MHz telemetry transmitter and a 10 mW, 108 MHz beacon transmitter that sent a continuous signal for tracking purposes. A command receiver was used to activate a tape recorder that relayed telescope experiment data to the telemetry transmitter.
The power supply for the instrumentation was provided by mercury batteries.
Mission results
Satellite drag atmospheric density
Because of its symmetrical shape, Vanguard 2 was selected by the experimenters for use in determining upper atmospheric densities as a function of altitude, latitude, season, and solar activity. As the spacecraft continuously orbited, it would lag its predicted positions slightly, accumulating greater and greater delay due to drag of the residual atmosphere. By measuring the rate and timing of orbital shifts, the relevant atmosphere's parameters could be back-calculated knowing the body's drag properties. It was determined that atmospheric pressures, and thus drag and orbital decay, were higher than anticipated, as Earth's upper atmosphere tapered into space gradually.
This experiment was very much planned prior to launch. Initial Naval Research Laboratory proposals for Project Vanguard included conical satellite bodies; this eliminated the need for a separate fairing and ejection mechanisms, and their associated weight and failure modes... A panel of scientists proposed changing the design to spheres, at least twenty inches in diameter and hopefully thirty. A sphere would have a constant optical reflection, and constant coefficient of drag, based on size alone, while a cone would vary with orientation...
As the three Vanguard satellites are still orbiting, with their drag properties essentially unchanged, they form a baseline atmospheric dataset fifty years old and counting. Vanguard 2 has an expected orbital lifetime of 300 years.
Optical scanner
The optical scanner experiment was designed to obtain cloud-cover data between the equator and 35° to 45° N latitude. As the satellite circled Earth, two photocells, located at the focus of two optical telescopes aimed in diametrically opposite directions, measured the intensity of sunlight reflected from clouds (about 80%), from land masses (15 to 20%), and from sea areas (5%). The satellite motion and rotation caused the photocells to scan the earth in successive "lines". Separate solar batteries turned on a recorder only when the earth beneath the satellite was in sunlight and about 50 min of data per orbit were obtained. The measured reflection intensities were stored on tape. Ground stations interrogated the satellite by signaling its command receiver, which caused the entire tape to be played back in 60 s. The tape was then erased and rewound.
For the planned 19 days of the weather experiment, the equipment functioned normally. The satellite was spin stabilized at 50 rpm, but the optical instrument's data was poor because of an unsatisfactory orientation of the spin axis.
Post mission
After the scientific mission ended, both Vanguard 2 and the upper stage of the rocket used to launch the satellite became derelict objects that would continue to orbit Earth for many years. As of September 2013, both objects remain in orbit.
wn.com/First Weather Satellite Vanguard 2 Launch, February 17, 1959 Universal Newsreel 1959 02 19
more at http://scitech.quickfound.net/astro/space_news.html
Vanguard 2 (Vanguard II) is launched on February 17, 1959. Vanguard 2 is still in orbit, and expected to remain in orbit for about 300 years.
There is a slight gap in the audio near the beginning of this newsreel, which was in the original from the National Archives.
From Universal Newsreel V32 R15 1959-02-19.
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Vanguard_2
Vanguard 2 or Vanguard II is an earth-orbiting satellite launched February 17, 1959 aboard a Vanguard SLV 4 rocket as part of the United States Navy's Project Vanguard. The satellite was designed to measure cloud-cover distribution over the daylight portion of its orbit, for a period of 19 days, and to provide information on the density of the atmosphere for the lifetime of its orbit (~300 years).
As of April 4, 2012, Vanguard 2 was still in orbit...
Design
The spacecraft is a magnesium sphere 20 in (50.8 cm) in diameter. It contained two optical telescopes with two photocells. The sphere was internally gold-plated, and externally covered with an aluminum deposit coated with silicon oxide of sufficient thickness to provide thermal control for the instrumentation.
Radio communication was provided by a 1 W, 108.03 MHz telemetry transmitter and a 10 mW, 108 MHz beacon transmitter that sent a continuous signal for tracking purposes. A command receiver was used to activate a tape recorder that relayed telescope experiment data to the telemetry transmitter.
The power supply for the instrumentation was provided by mercury batteries.
Mission results
Satellite drag atmospheric density
Because of its symmetrical shape, Vanguard 2 was selected by the experimenters for use in determining upper atmospheric densities as a function of altitude, latitude, season, and solar activity. As the spacecraft continuously orbited, it would lag its predicted positions slightly, accumulating greater and greater delay due to drag of the residual atmosphere. By measuring the rate and timing of orbital shifts, the relevant atmosphere's parameters could be back-calculated knowing the body's drag properties. It was determined that atmospheric pressures, and thus drag and orbital decay, were higher than anticipated, as Earth's upper atmosphere tapered into space gradually.
This experiment was very much planned prior to launch. Initial Naval Research Laboratory proposals for Project Vanguard included conical satellite bodies; this eliminated the need for a separate fairing and ejection mechanisms, and their associated weight and failure modes... A panel of scientists proposed changing the design to spheres, at least twenty inches in diameter and hopefully thirty. A sphere would have a constant optical reflection, and constant coefficient of drag, based on size alone, while a cone would vary with orientation...
As the three Vanguard satellites are still orbiting, with their drag properties essentially unchanged, they form a baseline atmospheric dataset fifty years old and counting. Vanguard 2 has an expected orbital lifetime of 300 years.
Optical scanner
The optical scanner experiment was designed to obtain cloud-cover data between the equator and 35° to 45° N latitude. As the satellite circled Earth, two photocells, located at the focus of two optical telescopes aimed in diametrically opposite directions, measured the intensity of sunlight reflected from clouds (about 80%), from land masses (15 to 20%), and from sea areas (5%). The satellite motion and rotation caused the photocells to scan the earth in successive "lines". Separate solar batteries turned on a recorder only when the earth beneath the satellite was in sunlight and about 50 min of data per orbit were obtained. The measured reflection intensities were stored on tape. Ground stations interrogated the satellite by signaling its command receiver, which caused the entire tape to be played back in 60 s. The tape was then erased and rewound.
For the planned 19 days of the weather experiment, the equipment functioned normally. The satellite was spin stabilized at 50 rpm, but the optical instrument's data was poor because of an unsatisfactory orientation of the spin axis.
Post mission
After the scientific mission ended, both Vanguard 2 and the upper stage of the rocket used to launch the satellite became derelict objects that would continue to orbit Earth for many years. As of September 2013, both objects remain in orbit.
- published: 11 Apr 2014
- views: 2114