I think part of it might be people off frequency a bit and generally weaker into the satellite.
Strong signals from well-equipped automatically Doppler corrected stations generally sound just fine, though there is sometimes radar noise that gets through.
73,
Paul, N8HM
On Mon, Dec 24, 2018 at 09:57 Ronald G. Parsons w5rkn@w5rkn.com wrote:
To my ear, the L/v downlink just “sounds” more distorted and noisier than the U/v downlink. Perhaps something is coming in the L port or is internally generated. The downlink path in my radio is identical in L/v and U/v. The rapid fading last weekend was very noticeable at lower elevations and was close to a 30 sec period. At higher elevations, it was not noticeable. I’ll try to remember to screen capture the downlink waterfall next weekend. Ron W5RKN
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb