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SmartSDR v3.9.19 and the SmartSDR v3.9.19 Release Notes
SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
The latest 4O3A Genius Product Software and Firmware
SmartSDR v3.9.19 and the SmartSDR v3.9.19 Release Notes
SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
The latest 4O3A Genius Product Software and Firmware
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Find-A-Freq
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.
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.
2
Comments
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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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