Grayson County (Sherman/Denison) Texas amateur radio repeaters.W5DWH 145.330 Mhz Grayson County, TX Weather Bunch Discussion Repeater.W5RVT 147.000 Mhz Grayson County, TX ARES/SKYWARN VHF Primary Repeater.W5COP 147.280 Mhz Grayson County, TX ARES/SKYWARN VHF Secondary Repeater.W5RVT 444.750 Mhz Grayson County, TX ARES/SKYWARN UHF Backup Repeater.Feed is provided through a Radio Shack PRO-2040 scanner.