Mystery Chinese Kit Assembly (#164)

I can't remember buying this kit (or where from), but I'll build it and figure out what it is. 00:00 Intro 00:20 Looking at the PCB and schematic 03:20 My guess what it is 04:00 Reveal 05:37 Assembly 18:50 Spitfire G-CCCA flies over 33:00 Testing Thanks to Flight Radar (https://www.flightradar24.com/) for flight data (from ADS-B transponders)