DSDPlus DSD question

[jrl44430]

I found a VHF system that gives me all errors but has this line.

Sync: +P25p1 NAC:158 TDULC trunk activity: ch=0-3333 tg=56740 ch=0-3077 tg=65444

What is TDULC? Is there a version that will decode this?

 

[RaleighGuy]

I found a VHF system that gives me all errors but has this line.

Sync: +P25p1 NAC:158 TDULC trunk activity: ch=0-3333 tg=56740 ch=0-3077 tg=65444

What is TDULC? Is there a version that will decode this?

Read through this thread, asked and answered here...

P25 Motorola 0x90 Link Control Opcode 0x15 & 0x17 - Radio Reprogram?

I'm seeing these unknown link control messages carried in a contiguous chunk of TDULC messaging on some Phase 1 traffic channels. In both examples, it was immediately following an AES-256 encrypted group call. Within sdrtrunk I'm calling these RADIO REPROGRAM, but I'm not yet certain of the...

forums.radioreference.com

TDULC is also discussed in this document

 

[slicerwizard]

Wut? The GRP_V_CH_GRANT_UPDT message posted by the OP has nothing to do with talker alias updates.