How To Make DTV Antenna (My Way) (ISDB-T Philippines)

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• published: 13 Jun 2016
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When I bought a ABS-CBN TVplus box it includes a vertical antenna so I decided to make an experiment by comparing the antenna polarization and discovered that the signal is stronger in vertical than horizontal (unlike analog which is the opposite). No idea if you get the same result as I did but here's my result: ABS-CBN TVplus own vertical antenna which I placed on top of cabinet inside the house = 44% Outdoor antenna horizontally polarized = 56% Outdoor antenna vertically polarized = 67% The picture quality is exactly the same because in digital if the signal is above the threshold you got a perfect picture but below the threshold no picture at all so the picture quality of 30% is identical to 100% (see cliff effect https://en.wikipedia.org/wiki/Cliff_effect). I made this video just in case if you are in area which signal is difficult to receive this video might help you. However if you can receive stable signal using the ABS-CBN TVplus own indoor antenna then there's no benefit in making outdoor antenna because in digital once you see the picture it's perfect. Vertical antenna should not be use in analog because they are transmitted horizontally. I think my antenna is not practical in North America because they also continued using the VHF band on DTV along with UHF but VHF requires larger antenna than UHF and the length of antenna I showed in this video is for UHF only. VHF had been abandoned in most countries for DTV.