Antenna quality is unlikely to be a significant factor in audio quality if the stations are actually somewhat close to the airport. The difference between a ver

Antenna quality is unlikely to be a significant factor in audio quality if the stations are actually somewhat close to the airport. The difference between a very good and very poor antenna is maybe 5-7 dB in the VHF airband, which shouldnt noticeably degrade quality unless you are already at the margins of signal availability. Antenna location is going to make a much, much bigger difference.