11 articles DMR

PRN Weekend Maintenance

Administrators for the NC PRN system have scheduled switch maintenance this weekend.  During this maintenance period, access to external talk groups will be impacted.  SCHEART DMR accesses TAC1, TAC310, and Brandmeister via the NC PRN network.  During maintenance these talk groups will be unavailable.  Other talk groups should not be impacted.  All maintenance activities will…

Repeater System/Frequencies & Talk Groups

The DMR repeater system provides amateur radio operators access to a commercial level radio network whose operation is based on talk groups rather than just frequency channels.  Talk groups are unique digital identifiers that help route conversations through the network and into the user’s radio.  DMR repeaters support two simultaneous voice/data conversations on a single…

DMR Code Plugs

Creating a code plug can be very time consuming and for a new user somewhat confusing.  Initially the Sumter Amateur Radio Association and George Mudd, KK4F, created sample code plugs for SCHEART system covering all varieties of DMR radios.   Operators could download the base code plug and modify it to quickly get on the air.…