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Military Monitoring Forum - Discussions regarding monitoring military communications on the ground, in air and at sea. Please keep USCG discussion to this forum also.

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Old 05-18-2017, 9:38 AM
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Default New 380 MHz P25 system south central/southeast US

There was a good tropo opening here in North TX this morning.
I logged a new 380 MHz P25 system and don't know where it was coming from.
This WACN/SID is not in the database that I could find.

It was coming from east of Wichita Falls, TX but I'm not sure how far or what state.
The strange thing was I was not picking up the usual closer in stuff between the DFW and OKC areas.
Could be Red River Army Depot TX, or maybe further east in LA, AR, MS or AL.

Unitrunker reports:
WACN: 51B90
SYSID: 00A
RFSS: 1
SITE: 1
NAC: 00A
Callsign: MCA J?
No neighbors
385.2125 c
385.8875 a
386.0375 a
386.1875 a
386.3375 a
386.4875 a

Looks like a Harris system that marks all channels as alternate cc but Unitrunker did not popuiate the manufacturer ID.

Band plan shows phase II but all the talkgroups I saw were phase I and most were encrypted.
TGIDs:
1021
1031
1041
1081
1082
1100
1113

RID ranges:
1xxxx
2xxxx
30xxx
998910x

Maybe somebody can figure out where this is but I won't hold my breath.
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Last edited by nd5y; 05-18-2017 at 10:04 AM..
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Old 05-18-2017, 10:06 AM
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Default New System

Good Morning, I have listed that on 05/05 through 05/08 I did a multi step ( 5.0, 6.25, 7.50, 8.33) custom band search of 380.000 through 390.0000. Nothing located here in Asheville other than some strong, silent, unidentified CW transmissions. Just as a guess then, I would put what you found between Asheville and your location. Not much, but maybe a little help
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Old 05-18-2017, 10:55 AM
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Likely Related to the Conversion from 14C to it's own SysID
https://forums.radioreference.com/vi...5-changes.html

Quote:
Originally Posted by nd5y View Post
There was a good tropo opening here in North TX this morning.
I logged a new 380 MHz P25 system and don't know where it was coming from.
This WACN/SID is not in the database that I could find.

It was coming from east of Wichita Falls, TX but I'm not sure how far or what state.
The strange thing was I was not picking up the usual closer in stuff between the DFW and OKC areas.
Could be Red River Army Depot TX, or maybe further east in LA, AR, MS or AL.

Unitrunker reports:
WACN: 51B90
SYSID: 00A
RFSS: 1
SITE: 1
NAC: 00A
Callsign: MCA J?
No neighbors
385.2125 c
385.8875 a
386.0375 a
386.1875 a
386.3375 a
386.4875 a

Looks like a Harris system that marks all channels as alternate cc but Unitrunker did not popuiate the manufacturer ID.

Band plan shows phase II but all the talkgroups I saw were phase I and most were encrypted.
TGIDs:
1021
1031
1041
1081
1082
1100
1113

RID ranges:
1xxxx
2xxxx
30xxx
998910x

Maybe somebody can figure out where this is but I won't hold my breath.
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Old 05-18-2017, 11:00 AM
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Quote:
Originally Posted by ecps92 View Post
Likely Related to the Conversion from 14C to it's own SysID
https://forums.radioreference.com/vi...5-changes.html
Interesting but the RFSS, site and frequencies and TGIDs don't match with anything on 14C.
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Last edited by nd5y; 05-18-2017 at 11:05 AM..
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Old 05-18-2017, 12:10 PM
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Just Google search and found the control channel is the same one that Travis AFB uses:

https://forums.radioreference.com/ca...5-sys-57c.html
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Old 05-18-2017, 1:00 PM
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Totally different SysID tho.


Quote:
Originally Posted by N4CYA View Post
Just Google search and found the control channel is the same one that Travis AFB uses:

https://forums.radioreference.com/ca...5-sys-57c.html
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