Originally posted by AIR_UK
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Dedicated ADS-B antennas are designed and tuned for 1090 MHz
Both the "Scanmaster Airmaster antenna" and "Diamond D 777 antenna" are designed for AIR BAND (117-140Mhz), almost 1/9 times the frequency of Air Band antennas.
Better go for an antenna designed for ADS-B frequency of 1090 MHz.
I use three different antennas with my 3 receivers
(1) Flightaware 5 dBi, 26 inch antenna 1090 MHz purchased from Amazon.
(2) DIY 2 dBi, 1/4 wavelength groundplane antenna with slanting radials (Spider).
3 EASY ANTTENNAS FOR BEGINNERS: EASY ANTENNA # 1 : SPIDER
(3) DIY 2dBi, 1/4 wavelength horizontal disc groundplane + decoupling sleeve (Cantenna).
3 EASY ANTTENNAS FOR BEGINNERS: EASY ANTENNA # 2 : CANTENNA
Comparing three, the best performer is Flightaware 26 inch antenna.
Spider and Cantenna are next and are at par.
Originally posted by AIR_UK
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