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83. You are able to hear signals in the SITOR (NBDP) mode but not in the voice/SSB mode. What is the most likely cause?
The ability to receive SITOR signals but not SSB voice indicates a problem specific to the voice signal path. SITOR utilizes a narrow data filter, bypassing the 2.8 kHz filter used for SSB voice. Therefore, a defective 2.8 kHz filter is the most likely cause.
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