I've got a new Microair 760, with new cabling throughout and an (aluminium) turtle deck mounted antenna on my S-1S, which passed an SWR test on installation. I recently bought a Zulu2 headset and having messed around with mic gain and a mic muff to kill the background noise which was originally reported, I can now get radio strength reports of 5.
Unfortunately, on an apparently random basis, I also get radio strength reports of 2 and 3 and I also hear very differing qualities of radio reception during a flight and with the same station, including hearing another aircraft as garbled, which apparently the ground station can hear fine. This all seems to point to ground plane problems and I'm considering mounting a replacement antenna, internally and inverted in the fuselage, probably on a new ground plane, mounted just below the luggage compartment floor. I'd appreciate any feedback on any of the above from anybody who recognises these symptoms and has managed to cure them!
Unfortunately, on an apparently random basis, I also get radio strength reports of 2 and 3 and I also hear very differing qualities of radio reception during a flight and with the same station, including hearing another aircraft as garbled, which apparently the ground station can hear fine. This all seems to point to ground plane problems and I'm considering mounting a replacement antenna, internally and inverted in the fuselage, probably on a new ground plane, mounted just below the luggage compartment floor. I'd appreciate any feedback on any of the above from anybody who recognises these symptoms and has managed to cure them!