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

Key853.5375Ctrl control channel
SiteNameFrequencies
001 (1)Locust Grove 1
1 freqs · 1 control
453.4125Ctrl
002 (2)Langley
1 freqs · 1 control
453.700Ctrl
003 (3)Choteau 3
1 freqs · 1 control
453.100Ctrl
004 (4)Salina
1 freqs · 1 control
460.3875Ctrl
005 (5)Locust Grove 5
1 freqs · 1 control
460.2125Ctrl
006 (6)Pensacola Dam
1 freqs · 1 control
453.7375Ctrl
007 (7)Choteau 7
1 freqs · 1 control
453.625Ctrl

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