These are coverage maps to Maryland's  Interstate DMR Repeaters

These coverage maps are based on a car trunk with a 1/4 wave antenna at 25 watts. The areas in red should work with an HT, no guarantees.




These repeaters are on the network, maps will be added when available.
  • Thurmont
  • Gaithersburg
  • Upper Marlboro
  • Crisfield
  • Federalsburg
  • Owings Mills




















  • Back to top of page