Track_RX: tested with an happymodel ES24TX with usb connected to a computer serial monitor. Track_TX: tested with a happymodel EP2 reciever with uart0 directly connected to GPS module.
Expected range: around 3km with clear VLOS (with a 14 element 2.4ghz yagi, haven't failed me yet)
Vhiecle Tested: modified scrocketry stompy on C6-5 (apogee 400ft) @rtemoni 's cert1 level rocket (apogee 2985ft)
Libraries used: radiolib
Inspired by publuic github project: ExpressLRS