[John M1JWR]

Have done voltage checks
tx pin 18 am tx 7.3v
q9 and q10
am rx c.8.08v initally starts higher and goes down to settle on that. b.0v
fm rx c 13.61v b 0v
usb and lsb c 13.61v b 0v
also did in tx incase you may ask
q10 am c 6.76v b 0.56v
fm c 13.46v b 0.56v
usb c 13.47v b 0.56v
and q9
am c 6.76v b 0.75v
fm c 13.41v b 0.75v
usb c 13.42v b 0.75v
emitter was 0v throughout tests
bit late for scope now will set it up for tonight as its a bit of a rigmarole,
hope you get something from these so far