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Tillman County (OK)

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DMR System

There are several DMR conventional repeaters located in Frederick and Grandfield. Some of these are not in the database.
It is unknown exactly how this system is configured. There are two pairs of repeaters (154.3775 & 155.655 and 154.205 & 155.1525). Each pair appears to carry the same traffic on both repeaters most of the time. One repeater (155.940) does not appear to be linked. Unknown if 156.210 is part of this system or still in use.
The following have been monitored. Exact use unconfirmed.

Location Frequency Color Code Time Slot Talkgroup Description
Grandfield 154.3775 CC 8 SL 1 TG 38887 Sheriff Dispatch? (also police?)
Frederick 155.655 CC 7 SL 1 TG 38887 Sheriff Dispatch? (also police?)
Grandfield 154.205 CC 14 SL 1 TG 38888 EMS Dispatch? (also fire?)
Frederick 155.1525 CC 15 SL 1 TG 38888 EMS Dispatch? (also fire?)
Frederick 155.940 CC 14 SL 1 TG 38890 Fire Dispatch?

Unknown what time slot 2 is used for.
Communications Center radio ID is 5001.
FCC Licenses: KNCN986, WPAN650, WQJN873, WQAD868

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