2nd U3S tested okay QLG1 fix at desk Using Taitien VCXO 27.000000 adjustable 0 Hz drift at 70.092500 and 100% WSPR quality but only 1.5mW short in the LPF board somewhere 100mW 70MHz U3S without LPF relay PCB
Ham radio in JO33hg31 53.15N 6.35E