The Yellowstone Radio Club (YRC) repeater resources are managed by the club repeater trustee. FCC club call sign K7EFA provides Amateur Radio license users with the following ARRL coordinated “OPEN USE” repeaters in the Billings and Yellowstone County Montana area:
Frequency Tone Repeater Shift Location
145.410 (*) 100hz - minus K7EFA Roundup MT area
145.360 (*) 100hz + plus K7EFA Red Lodge Mountain
147.300 100hz + plus K7EFA Billings MT
147.240 100hz + plus K7EFA Billings MT – RIMS
449.000 - minus 5 MHz K7EFA Billings D-star repeater
(*) Linked repeaters providing wide area coverage. On transmit to a linked repeater, wait 2 seconds before speaking to allow the repeaters to link and come up in transmit.
Standard frequency shifts are active on all repeaters.
600 KHz 2-meter VHF repeaters
5 MHz 70 cm UHF repeaters
162.550 NOAA weather radio / Billings
Review our frequency card available on this web page for information on suggested programming of 2-meter VHF and 70 cm/440 MHz UHF. This frequency card provides suggested standard radio programming for YRC members and ARRL Yellowstone Amateur Radio Emergency Service (YARES) volunteers. The frequency card provides information on additional open use repeaters in the area.
Use the REPEATERS/ Repeater Trouble Report web link to report problems with YRC repeaters.
The Yellowstone Radio Club is authorized use of State of Montana Mutual Aid GOLD channel frequency 153.905. Authorized use requires Part 90 certified Radios.
Uncle Don’s Early Morning Net is active for check-in on Monday – Friday beginning at 0800 local time using the Roundup or Red Lodge repeater linked system. Use either repeater to check-in.