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Find-A-Freq

Tony
Tony Member, Unconfirmed ✭
in New Ideas
For us contesters:

Include a line on the spectrum that represents signal level averaged over a long time span, such as 1 minute (adjustable). Suggest boxcar average, not exponential decay. Invert the levels, so that a peak represents a LOW signal level, i.e. a clear frequency. Perhaps mark the highest two or three peaks with a cursor. The peak detection can take into account the active receive bandwidth.

When looking to find a spot to call CQ ('RUN') on, this would be a quick way to find a clear frequency.
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  • Craig_KØCF
    Craig_KØCF Member ✭✭✭

    The waterfall already does this, and very well. If you set the waterfall speed such that the whole vertical period is about 30 seconds to a minute (or more), open frequencies are shown very clearly.

    73, Craig KØCF

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