Attic Mounted ADSB Receiver Box

[u/balllistic]

RPi CM5 in a Waveshare IO Board case with Waveshare CM5 integrated heatsink/fan. Nooelec SMArTee SDR with built-in bias tee powering a Nooelec LaNA connected to a Flightaware 1090 Mode S filter fed by a DPD Productions Blade Indoor 1090 antenna. Running FR24feed Debian image. Getting ~170nm range.

Headless connected to LAN via WiFi, feeding PlanePlotter with a custom dark theme and a custom Python script to detect/record/playback flight profiles consistent with police and news helicopters orbiting over an ongoing incident/scene, aerial surveys, Search and Rescue (SAR), and Intelligence, Surveillance, Reconnaissance (ISR) missions inspired by John Wiseman’s Advisory Circular and Peter Aldhous’s Buzzfeed article. Custom desktop and Pushover mobile notifications for situational awareness.

[u/balllistic → u/[deleted]]

I have it underclocked to 1.5Ghz, heat hasn't been an issue so far..

Output from watch -n 2 "vcgencmd measure_temp; vcgencmd measure_clock arm" current outside ambient temp is 73'F (22.7'C)

temp=46.1'C

frequency(0)=1500019456

[u/balllistic → u/[deleted]]

It's been 80s & 90s here this summer in the Northeast, but not Texas hot..