Oooh, SNR ratio seems to be indicating my #auto_rx #radiosonde station is performing pretty well, where it can see this radiosonde. #hamradio #rtlsdr

I get a #telegram bot alert for each #radiosonde launch my station picks up.
(I tap into the chasemap #json with #nodered )
It still blows my mind how well the @vk5qi #auto_rx works with the #airspy R2, good #antenna and #lna
Screenshot from just now.

Some #chatgpt code results.
It wrote the trig function I needed for working out elevation angle from a fixed antenna lat/lon/alt to an airborne lat/lon/alt.
Here I am plotting the results of a #radiosonde flight this afternoon in SoCal.
The #sdr decoding done by @vk5qi awesome #auto_rx
UDP data was streamed into #nodered and the chatgpt code.