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I tried out the P3 NB feature during the 160 meter contest and maybe what I tested it on was not impulse noise. I had a general noise level at S3 with periodic 1 or 2 second bursts to S4 or S5 covering the entire band. The NB feature did not eliminate these short duration noise bursts. I tried NB levels from 5 to 10. Is this type of noise not the type that can be cleaned up with the P3 NB feature?
73,
Mike K2MK
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