Check out @abcd567 posts on gain optimisation.
INDEX
To see details, click on the Tweaks below or scroll down
TWEAK #1: RANGE CIRCLES
(a) Additional Range Circles
(b) Coloring Range Circles Alternating Red/Blue + Making Circles dashed line instead of solid line.
TWEAK #2: REPLACING TWO-CLOCK MAP BY SKYVIEW MAP
Replacing Map having two clocks (dump1090-mutability) by SkyView Map (dump1090-fa)
(a) Keeping dump1090-mutability, but replacing Map only (Skin/GUI replacement)
(b) Uninstalling dump1090-mutability, and in its place installing…
He also has great stuff to see if you need a filter.
The space around ADS-B antenna contain not only 1090 MHz signals, but also lot of other signals at different frequencies. The closer the frequency of a signal to 1090 MHz, your ADS-B antenna picks it stronger. For example if there are three signals of equal strength, one at 144 MHz, 2nd at 850 MHz and 3rd at 950 MHz, the ADS-B antenna will pick 950 MHz one the strongest, 850 MHz one a bit less stronger, and 144 MHz one much fainter.
As the Cell/Mobile/Pager signals exist in the range 850 MHz to…
Look at the stats for the receivers near you. They will give you an indication of what you can expect.Dennis Perry ADS-B Feeder Statistics - FlightAware seems to do very well. It is possible that they have a better location(ie higher or less interference).
