DMR-MARC, the Motorola Amateur Radio Club network and one of the oldest worldwide amateur DMR systems. It publishes a master list of compliant group-call IDs, from Intercontinental (TG 1) down to state and provincial talk groups.
https://www.dmr-marc.net/| Name | Abbreviation | TG ID | Timeslot | Repeaters |
|---|
| Name | Abbreviation | TX Frequency | RX Frequency | Color Code | Talk Groups |
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This network is too large for the matrix (283 repeaters x 124 talk groups). Use DMR Helper, which finds repeaters by location and lists the talk groups each one actually carries.