Grand River Dam Authority - GRDA

System Name: Grand River Dam Authority - GRDA
Location: Mayes County, OK
County: Mayes
System Type: DMR Tier 3 Non-Standard
System Voice: DMR
Last Updated: March 5, 2025, 05:38 am UTC   [Updated General System Details]
System Notes

System replaces the 400 MHz licenses.

It shows as a Non-Standard Tier III, but identifies with a SYSID of L 1.

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name Freqs
001 (1) Locust Grove 1 453.4125c
002 (2) Langley 453.700c
003 (3) Choteau 3 453.100c
004 (4) Salina 460.3875c
005 (5) Locust Grove 5 460.2125c
006 (6) Pensacola Dam 453.7375c
007 (7) Choteau 7 453.625c

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