Hi Matthew and Steve, KJ4TN’s message about the S3 noise level minimum on the Flex 3K describes my experience as well. While it varies from band to band a bit, my S Meter never approaches zero, including when the antennas are disconnected or when I am connected directly to the dummy load. Noise level runs around 100. Preamps have a small effect. Sent back to the factory last year for new preamps plus complete checkout and was given assurances every thing was A-OK at that time. Everything else runs perfect! Using PowerSDR v2.7.2. Maybe a calibration or adjustment issue?? Not overly concerned but curious just the same. Thanks!
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