Minnesota FED

sonm10

Central MN Monitor
Premium Subscriber
Joined
Nov 19, 2016
Messages
140
Location
Sauk Centre, Minnesota
Been reading this forum for awhile now and figured a might try. A live in rural mn with about couple hundred thousand people on the other side of the county. I scanned through the federal vhf band and found a couple frequencies with a 167 nac - 167.7625 and 171.6875. i have a recording of the 167.7625 but none for the 171.6875. It justs sounds like low rumble static to me. Can someone tell me if this is a catch or not. Thanks. It wont play with windows groove but will with windows media player
 

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devicelab

Whacker Extraordinaire
Joined
Jul 18, 2016
Messages
749
Location
Bothell, WA
Those little burps like that are due to the scanner's feature of not playing any sound for encrypted audio. Once the scanner determines it's encrypted then it cuts off the speaker. So yes you got a FBI hit but the only thing you'll get out of it is a RID -- if you managed to log it.

Use the SDS200 to record the frequencies and you may [eventually] get them in the clear.
 

stmills

Member
Joined
Dec 19, 2002
Messages
978
Location
Twin Cites Area MN
both frequencies listed have been identified as in use by the Minneapolis Field Office for many years. 167.7625 was actually used when they were analog and it was fairly common to hear at least one side of the conversation in the clear. 171.6875 showed up when they moved to P25.
 

sonm10

Central MN Monitor
Premium Subscriber
Joined
Nov 19, 2016
Messages
140
Location
Sauk Centre, Minnesota
thanks for the info. Is any of that in the database and is there any other known federal frequencies for minnesota?
 
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