50MHz/70MHz diplexer, part 2
I bought a NanoVNA to properly measure the 6m/4m diplexer. The results were mixed: So, testing the 70MHz high pass showed that there was 22dB attenuation at 50MHz. Not too bad! I could try adjusting the coils for more attenuation, but there was no de-sense on the 4m radio So I’m happy to leave it… Read More »