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Amateur Radio Repeater • 70cm

K7RDG — 449.52500 MHz

Mule Mountain (Bisbee) • Cochise County, Arizona • Grid DM51ak

70cm FM On-Air (ARCA Coordinated) 100.0 Hz -5.000 MHz Shift RepeaterBook Club Website

RF Coverage & Terrain Viewshed

Estimated 60 mi coverage footprint • Click anywhere on map to calculate terrain cross-section

Terrain Profiler Tool

Technical Parameters

Downlink (Listen / RX) 449.52500 MHz
Uplink (Transmit / TX) 444.52500 MHz
Offset / Shift -5.000 MHz
Uplink Tone (TX Access) 100.0 Hz
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth FM (Analog) • 70cm
Maidenhead Grid DM51ak
Coordinates 31.44500° N, -109.92000° W
Ground Elevation ~7,370 ft AMSL
RepeaterBook Radius 60 miles nominal
Linked System ARCA Coordinated (C.A.R.A.)
Sponsor / Trustee CARA (Cochise County)
Coordination ARCA
Official Website https://www.azfreqcoord.org/

Propagation & Line-of-Sight

Terrain & Elevation
Mule Mountain (Bisbee) Ground Profiling

Situated at ~7,370 ft AMSL in Cochise County (Maidenhead Grid DM51ak). Topographic ground elevation can create shadows or knife-edge diffraction across surrounding Arizona mountain ridges. Click anywhere on the map above to inspect real-time optical line of sight.

Launch Terrain LOS Profiler
Official Database & Coordination
Live Records on RepeaterBook

Check trustee contact information, travel tones, coordinated status, and community reports directly on RepeaterBook: