Location helper feature questions

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springday

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Curious about the location helper, how proximity search retrieve the Callsign based on geolocation? Is there any particular relation between latitude, longitude and the callsign.

2. Does current frequencies that display are all belong to identified frequencies, cause I noticed there is also
unidentified frequencies.

3.Does trunking system, agent based system has callsign?

4.Does current RRDB has millitary callsign also?
 

captclint

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Mountaintop, PA
Curious about the location helper, how proximity search retrieve the Callsign based on geolocation? Is there any particular relation between latitude, longitude and the callsign.
Each tower registered under a call sign has lat/lon. This is a tower/Freq search, and the license is displayed with each tower(there may be several towers under one license.)

2. Does current frequencies that display are all belong to identified frequencies
No, it includes any tower/freq in the radius, including expired licenses. Identified frequencies are turned in by our members, and there may be a majority that have not been turned in ( primarily business.) On the flip side, the identified database is verified as active (not expired) and has specific descriptions not contained in the FCC proximity search. This feature helps you identify unknowns, and hopefully contribute findings to the database.

3.Does trunking system, agent based system has callsign?
Yes, but it may not be identified as a trunking system on the FCC license. These searches are only as good as the FCC data.

4.Does current RRDB has millitary callsign also?
I don't believe military call signs are registered in the FCC database.
 
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