New/Unidentified FWRRS Layer 2 TGIDs

I ran a trunking discovery last week when I was away from the scanner for a few hours and found some new TGIDs on Layer 2 of the FWRRS that haven't been identified on the database as of yet. Not sure what they are yet, have an idea of some of them. Do you recognize any of these or their use? Haven't had time to run any other discoveries.

Also any clue what these "i7219801" TGIDs are? Are they some kind of dynamic TGID or something to do with a different mode? Never seen a TGID like this. I noticed some of the voices sounded the same among different TGIDs that were formatted like these, so that's why I thought they may be some dynamic type.

The new TGIDs not identified are as follow:
5860 - Unknown agency/use
5868 - Unknown agency/use
5916 - ?Tarrant County Constables? ?Parole possibly?
7240 - Unknown agency/use
6772 - Unknown agency Possibly MedStar or Arlingon, EMS to hospital
i7219801 - Unknown use, possibly The T
5984 - Unknown agency/use - possibly TCSO, some sort of check in/out channel?
6940 - Unknown agency/use
5920 - Unknown agency/use
5876 - Unknown agency/use Possibly another TCSO channel
6770 - Unknown agency - EMS to hospital
i7219800 - Unknown use, possibly the T
6768 - Unknown EMS to unknown hospital
5842 - ?TCSO? ?Traffic?
i7219711 - The T? Unknown use
6762 - - Unknown agency, EMS to hospital
5872 - Unknown agency/use
5862 - Unknown agency/use
7242 - Unknown agency/use
5694 - Unknown agency/use
i7219802 - The T? Unknown use
7360 - Unknown agency/use
i7219710 - The T? Unknown use
i7219737 - The T? Unknown use
7238 - Unknown agency/use
6766 - Unknown agency, EMS to hospital
7316 - Unknown agency, sounded like teachers talking, but about Minions or something, non-incident..possibly a school TG?
i7219965 - The T? Unknown use
i7219684 - The T? Unknown use
5870 - Unknown agency/use
i7219961 - The T? Unknown use
i7219632 - The T? Unknown use
i7219697 - The T? Unknown use
i7219793 - The T? Unknown use
i7219961 - The T? Unknown use
i7219776 - The T? Unknown use
i7219950 - The T? Unknown use

There are a bunch of talkgroups that are not in the DB.
Some of them are listed at https://wiki.radioreference.com/index.php/Fort_Worth_Regional_Radio_System_Unknown_Talkgroups.

The 7 digit numbers that start with i are not talkgroups they are radio IDs. You are seeing icalls (individual radio-to-radio calls).

FWRRS TGs are generally assigned in blocks. It looks like all the 5850-5879 are TC Jail facilities. All the 67xx's are medical and hospital. When looking at the FWRRS page, click on the "List All in one table" and you can get a good idea of the blocks assigned.

nd5y said:

The 7 digit numbers that start with i are not talkgroups they are radio IDs. You are seeing icalls (individual radio-to-radio calls).

Click to expand...

I could be way off since I don't live in the area and don't monitor FWRRS, but on other systems where private call is not used those indicate IV&D data sessions. Most Motorola P25 systems have IV&D enabled but don't use it for anything.

motorola_otaku said:

I could be way off since I don't live in the area and don't monitor FWRRS, but on other systems where private call is not used those indicate IV&D data sessions. Most Motorola P25 systems have IV&D enabled but don't use it for anything.

Click to expand...

That's probably what it is then. Is IV&D data what they use for or OTAR on P25 systems? I can only monitor FWRRS during good band openings. If I remember right I have seen the same type data icalls on there and on other systems.

First answer was correct, The T is the Fort Worth Transit Authority Bus system. These are icalls, they are voice traffic. The EMS to Hospital traffic can show up on either Layer 1 or 2, and as some new hospitals have been built they have been added to the system, THR Alliance, comes to mind. And as Russel indicated there are a ton of Jail talkgroups not listed in the database, trying to narrow them down to use and facility is a pain. Last time I did a discovery I did find some unencrypted Task Force groups, Need to find my notes.

Here is what I have

5860- Tarrant Co Jail, Green Bay Unit, id'd as Ch 1
5868- Tarrant Co Jail, possibly main
5916- believe this to be TCSO court security
7240- Ft Worth Water Dept
6772- possibly Medical Center of Arlington
5984- Crowley PD School Resource Officer
6940- TCSO
5920- Tarrant Co Jail, Hospital Detail
5876- Tarrant Co Jail, Lon Evans Unit
6770- possibly Arlington Memorial
6768- possibly HCA Alliance
5842- Tarrant Co SO Warrants
6762- Harris HEB
5872- Tarrant Co Jail, possibly food service
5862- Tarrant Co Jail, possibly Green Bay Unit talk ch
7242- Ft Worth Water Dept
5694- not sure, but right in the middle of Water Dept talk groups
7360- ?
7238- Ft Worth Water Dept
6766- North Hills Hospital
7316- ?
5870- Tarrant Co Jail talk ch for TG5868, possibly main jail