jackc Posted May 12, 2021 Share Posted May 12, 2021 This could be a handy little ADS-B project https://www.electronicsforu.com/electronics-projects/aircraft-signal-receiver-rtl-sdr?fbclid=IwAR0BwTCBiCBcbaxCbfZK3y8KovilGJYYqC3Tif2Ouax8WxL1tYsoDRQOO2s Link to comment Share on other sites More sharing options...
RFguy Posted May 12, 2021 Share Posted May 12, 2021 yep, there are many many articles on this. ya just need someone competent with linux to get it all going 1 Link to comment Share on other sites More sharing options...
kgwilson Posted May 12, 2021 Share Posted May 12, 2021 I read somewhere a while ago that you could by an ADSB in/out chipset for for about $45.00 from China. Link to comment Share on other sites More sharing options...
RFguy Posted May 13, 2021 Share Posted May 13, 2021 (edited) The best solution , in my opinion, is a Raspberry pi $80 , a RTL SDR dongle $25 , and a 1090 ADSB PCB filter ($10)and a 6dB gain antenna( $50-$150) Edited May 13, 2021 by RFguy 1 Link to comment Share on other sites More sharing options...
Tasmag Posted May 13, 2021 Share Posted May 13, 2021 A Stratux (or ADSB pi) works fine out to 30NM from the ground, further when you are in the air, and that is with the standard wire antenna included with the SDR Dongle. What is the ADSB PCB filter's role in the setup? Unless I have missed the point and you are trying to replicate Flight Radar. Link to comment Share on other sites More sharing options...
RFguy Posted May 14, 2021 Share Posted May 14, 2021 The filter is required to protect the RTL-SDR receiver, which, when at high sensitivity (needed) is very easily overloaded by other transmitters. The filter keeps them out, sufficiently. RTLSDR and 0dB gain antenna can do 30 to 40 nm to a 200W (usual) transponder. Can do 60-80nm with a 6dB gain antenna. Can do 150-200nm with a 9dB gain antenna and low noise preamp , assuming you are in a place that has 150nm line of site to the plane. From on the ground, plane earth to airplane at 6600 feet , that's 100 nm. . For SkyEcho. divide all those distances by 5. Link to comment Share on other sites More sharing options...
Sam the Swiss Posted May 16, 2021 Share Posted May 16, 2021 I tried a Stratux once. I was always tightly followed by an airplane, just one meter apart: my own ADS-B-out signal… Does anybody know how to filter that out? SkyEcho seems to be a very good in /out solution, very simple. Link to comment Share on other sites More sharing options...
SplitS Posted May 17, 2021 Share Posted May 17, 2021 Just buy a SkyEcho see and be seen. 4 Link to comment Share on other sites More sharing options...
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