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…
In response to user requests, we have compiled a listing of NCPRN network repeaters under the DMR menu. More information about the NCPRN network can be found at http://ncprn.net/ . This site also provides a real time listing of Last Heard traffic for PRN. Users can check their signal strengths into the repeater and any…
SCHEART welcomes the Anderson DMR repeater to the network. The repeater transmits on 444.5375 MHz and receives on 449.5375.
Independent operation of the Local Talk Group is now enabled. Locals are no longer linked on the system. Additional programming updates will be occurring to ensure each Local transmission appears on the Last Heard listing on NCPRN website. At this time (January 1) not all locals are showing up but should be corrected within 48…
Three months ago it was announced that the SCHEART DMR system added a new talk group named SC Call. This talk group operates on Time Slot 1 with a code of 27510 and covers all SCHEART repeaters. Users wishing to reach stations outside the coverage of their local repeater, can use SC Call to make…
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.…
The SC Call talk group was implemented last quarter. This talk group uses time slot 1 and allows users within SC to make contact, have a short conversation or move to another chat group for a long conversation. With full implementation of SC Call and the addition of repeaters at some local hospitals, effective this…
What’s All This Talk About MotoTrbo? By: Matthew Littleton KN4SWB ** Have you heard anybody talk about digital communications on 2 meters or 440 lately? If so, it has more than likely been discussion over four of the more popular modes known as DSTAR, Project 25 (P25), Yaesu’s System Fusion, or DMR (Digital Mobile Radio…