SDS100/200 How to separate DMR TGIDs on same frequency

[downeydigs]

I have searched the forums but have not found where this has been addressed. Maybe I missed it or maybe it is not possible. I monitor a DMR frequency that has more than one TGID. They will frequently have traffic on two TGIDs at once (e.g. TGID 1 and TGID 40). Currently, if TGID 1 becomes active while TGID 40 is also active, TGID 1 will cover the other one. I’d rather it be the other way around. Is it possible to program the TGIDs separately so that I can set priority to one and not the other?

 

[hiegtx]

I have searched the forums but have not found where this has been addressed. Maybe I missed it or maybe it is not possible. I monitor a DMR frequency that has more than one TGID. They will frequently have traffic on two TGIDs at once (e.g. TGID 1 and TGID 40). Currently, if TGID 1 becomes active while TGID 40 is also active, TGID 1 will cover the other one. I’d rather it be the other way around. Is it possible to program the TGIDs separately so that I can set priority to one and not the other?

Instead of programming the frequency as a conventional channel, program it as a One Frequency Trunked system (OFT).

That gives you the option of entering talkgroups that share a single frequency. You can specify the slot for the TGID if desired, and you also can tag a TGID as Priority. If selecting a TGID Priority, be sure to enable trunking for the system. That choice is under the Options tab for the OFT system.

 

[Whiskey3JMC]

Is TG-1 on slot-1 and TG-40 on slot 2? If so, program the system as DMR one-frequency. Create new department, Enter TGIDs as channels. You'll see option to set TDMA slot when you edit the channels

 

[Ubbe]

Can you tell us what system and site this is?

You can probably not set any priority to the TG's in a Uniden scanner if it is a frequency that use dedicated slots for each TG.

Priority only exists in MotoTRBO Trunked systems where the scanner decodes the control channel data and if this is a conventional frequency it doesn't send any control data that the scanner can use and you cannot set a LCN which the scanner needs in a trunked system.

Whistlers scanners can work with these system and can set priority to different TG's as it doesn't use the DMR control channel info, but that doesn't help you but could explain why Uniden doesn't have that option if it is a patent thing.

/Ubbe

 

[downeydigs]

Can you tell us what system and site this is?

You can probably not set any priority to the TG's in a Uniden scanner if it is a frequency that use dedicated slots for each TG.

Priority only exists in MotoTRBO Trunked systems where the scanner decodes the control channel data and if this is a conventional frequency it doesn't send any control data that the scanner can use and you cannot set a LCN which the scanner needs in a trunked system.

Whistlers scanners can work with these system and can set priority to different TG's as it doesn't use the DMR control channel info, but that doesn't help you but could explain why Uniden doesn't have that option if it is a patent thing.

/Ubbe

It is Union County Arkansas Sheriff’s Department (UCSO-ELDORADO). It is conventional DMR. Both TGIDs display as Color Code 0.

 

[downeydigs]

Can you tell us what system and site this is?

You can probably not set any priority to the TG's in a Uniden scanner if it is a frequency that use dedicated slots for each TG.

Priority only exists in MotoTRBO Trunked systems where the scanner decodes the control channel data and if this is a conventional frequency it doesn't send any control data that the scanner can use and you cannot set a LCN which the scanner needs in a trunked system.

Whistlers scanners can work with these system and can set priority to different TG's as it doesn't use the DMR control channel info, but that doesn't help you but could explain why Uniden doesn't have that option if it is a patent thing.

/Ubbe

There has not been any traffic on TGID-40 so I haven’t been able to identify which slot number(s) it uses. However, I can tell you that TGID-1 uses both slots. TGID-1 shows Slot1 when dispatch is transmitting, and then alternates Slot1 and Slot2 when any of the mobile/portable units are transmitting.

 

[downeydigs]

Can you tell us what system and site this is?

You can probably not set any priority to the TG's in a Uniden scanner if it is a frequency that use dedicated slots for each TG.

Priority only exists in MotoTRBO Trunked systems where the scanner decodes the control channel data and if this is a conventional frequency it doesn't send any control data that the scanner can use and you cannot set a LCN which the scanner needs in a trunked system.

Whistlers scanners can work with these system and can set priority to different TG's as it doesn't use the DMR control channel info, but that doesn't help you but could explain why Uniden doesn't have that option if it is a patent thing.

/Ubbe

It is Union County Arkansas Sheriff’s Department (UCSO-ELDORADO). It is conventional DMR. Both TGIDs display as Color Code 0.

There has not been any traffic on TGID-40 so I haven’t been able to identify which slot number(s) it uses. However, I can tell you that TGID-1 uses both slots. TGID-1 shows Slot1 when dispatch is transmitting, and then alternates Slot1 and Slot2 when any of the mobile/portable units are transmitting.

Okay, finally had some traffic on TGID-40. It does the same as TGID-1. Both TGs show Slot1 when dispatch is transmitting and alternate Slot1/Slot2 when any mobile or portable unit is transmitting.

 

[werinshades]

As others have mentioned, program as One Frequency Trunk, that's how you can decipher who's who. If you program in as conventional, you won't know who's who. I see 4 frequencies, 3 repeaters/1 simplex. Each frequency has to be programmed as One Frequency Trunk in it's own system with the information listed.

 

[jonwienke]

No. You can program multiple sites, and multiple frequencies per site, just like a standard trunked system.

 

[Ubbe]

Is it possible to program the TGIDs separately so that I can set priority to one and not the other?

No.

If you program it as DMR One Frequency System you can set a longer delay to the talk groups so it will stay on one TG the whole conversation and not be interupted by activity from another TG.

/Ubbe

 

[werinshades]

No. You can program multiple sites, and multiple frequencies per site, just like a standard trunked system.

The problem with that method in this case is all users are using TGID 1 which would make it difficult to decipher who's who. Make a favorite list, make system 1 Sheriff-Midway, program as OFT, system 2 Sheriff-El Dorado, program as OFT etc. The System will display so you'll know who you're listening to.