Seymour Johnson AFB Goldsboro NC Help

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RaleighGuy

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Haven't been out there in years, but last time was able to hear the TRS fine, still have it programmed into my scanners. Was by the base today for a few hours and couldn't pick up any traffic on the system as programmed from RR Database. Also, could not find a CC and get Unitrunker to pick anything up.

Monitored several frequencies, while in search mode, showing a NAC of 577, some which are in the database (407.1625, 407.3625, 407.7625 and 407.9625) and some that were not in it (408.9625, 409.1625). Also, none of the TGIDs I saw were in the database (not surprising as there are not many in there).

Anyone know what the correct control channel is or what changes need to be made to monitor the system again?
 

nd5y

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They probably went to P25 on one of the DoD nationwide systems.
You would need to search 380-420 MHz for control channels and find the System ID, WACN, RFSS Number, Site Number and NAC for a proper submission.
 

RaleighGuy

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They probably went to P25 on one of the DoD nationwide systems.
You would need to search 380-420 MHz for control channels and find the System ID, WACN, RFSS Number, Site Number and NAC for a proper submission.

Possibly, but like I said, I heard them on 400 mhz voice channels several that were on on their old system. I also tried adding, scanning and searching for P25 with no luck and did a search of the 300 mhz band.

I'm not in the area much, so I'm hoping someone from that area will be able to check it out.
 

aprswatcher

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Not all of the DOD P25 systems are in the 380-420 MHz range. The AF sites hear in MT., Malmstrom AFB has control channels that
are 138 MHz range, same with FE Warren AFB in Wyoming. Unfortunately all the talkgroups for Malmstrom are full time encryption.
73, Rex
 

RaleighGuy

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Not all of the DOD P25 systems are in the 380-420 MHz range. The AF sites hear in MT., Malmstrom AFB has control channels that
are 138 MHz range, same with FE Warren AFB in Wyoming. Unfortunately all the talkgroups for Malmstrom are full time encryption.
73, Rex

Yes, I understand that and appreciate you mentioning it, but in the original post I stated that I heard voice traffic in the 407-409mhz band but was unable to find the new control channel. Hearing voice channels discussing base operations makes me believe that it is still a 400 mhz system, which I now know is P25.
 

RaleighGuy

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System ID : 57C
System Name : Seymour Johnson AFB
WACN : BEE00
Tower Number (Decimal): 1-107
Tower Number (Hex) : T016B
Tower Description :
Control Capabilities : Data,Voice,Registration
Flavor : Phase 1

-Tables
Table ID,Base Freq,Spacing,Input Offset,Assumed/Confirmed,BandWidth,Slots
00,136.00000,0.01250,5.00000,"Confirmed",0.01250,1
02,380.00000,0.01250,10.00000,"Confirmed",0.01250,1
04,136.00000,0.01250,8.37500,"Confirmed",0.01250,1
06,406.00000,0.01250,9.00000,"Confirmed",0.01250,1
08,136.00000,0.01250,5.00000,"Confirmed",0.01250,1

-Frequencies
Channel,Usage,Frequency(/Slot),Input Channel,Input Frequency(/Slot),Input Explicit(1/0)
"06-0029","c",406.36250,"06-0029",415.36250,0
"06-0061","a",406.76250,"06-0061",415.76250,0
"06-0093","vd",407.16250,"06-0093",0.00000,0
"06-0109","vd",407.36250,"06-0109",0.00000,0
"06-0141","vd",407.76250,"06-0141",0.00000,0
"06-0157","vd",407.96250,"06-0157",0.00000,0
"06-0173","vd",408.16250,"06-0173",0.00000,0
"06-0221","vd",408.76250,"06-0221",0.00000,0
"06-0237","vd",408.96250,"06-0237",0.00000,0
"06-0253","vd",409.16250,"06-0253",0.00000,0
"06-0269","vd",409.36250,"06-0269",0.00000,0
 
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