Frequency + Scanner (plugin)

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airforceflyr

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Jun 16, 2004
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Is anyone using the freq Mgr + scanner to sweep VHF airband? If so, please share you're settings.

-min signal strength value
-scanner configuration window values & check boxes

I'm getting inconsistent results when using the 'scan frequencies' tab when sweeping 118-136mhz. Mainly with SDR# skipping over freqs that it should be halting on.. I'm thinking the trick to this is in the performance tab but have yet to find the sweet spot

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moonbounce

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Nov 5, 2002
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I have Frequency Manager and Scanner running on versions 1114, 1193, 1231,1260, and 1270 of SDR Sharp and i have not had much luck getting it to stop on any frequency in any of the versions.
One other thing I have found is that it each version that I use the Frequecy Manager Scanner on, the frequency will be about 20K off center frequency of where it is supposed to be. I have tried to center it with no success.


MB
 

moonbounce

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Nov 5, 2002
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So today I am once again trying to figure out why my Frequency Manager + Scanner will not stop on any frequency and here is what I found. The problem was that the computer was interfering with the dongle making it deaf to RF signals. The dongle had been plugged directly into the usb port, so I unplugged the R820T dongle, got a long USB extension cord and moved the dongle eight feet away from the computer. The results were instantanious, the FM+S was now hitting every frequency that popped up.

I think I am now going to make a metal enclosure for the RTL dongle and see if how that works.
 

moonbounce

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Nov 5, 2002
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1,249
What I am finding now is that when running the FM+S the read out will be for example 142367200 instead of 142675000. I have used the Snap to Grid command with no luck, and I have tried the Frequency correction (ppm) but that changes nothing, so it is like you are always running out of alignment.
 
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