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Amateur Radio Repeater • 70cm

K7MPR — 448.55000 MHz

Hualapai Mountain • Mohave County, Arizona • Grid DM35bc

70cm FM On-Air (ARCA Coordinated) 123.0 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) 448.55000 MHz
Uplink (Transmit / TX) 443.55000 MHz
Offset / Shift -5.000 MHz
Uplink Tone (TX Access) 123.0 Hz
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth FM (Analog) • 70cm
Maidenhead Grid DM35bc
Coordinates 35.09400° N, -113.88300° W
Ground Elevation ~8,417 ft AMSL
RepeaterBook Radius 60 miles nominal
Linked System ARCA Coordinated (M.A.R.C.)
Sponsor / Trustee MARCA
Coordination ARCA
Official Website https://www.azfreqcoord.org/

Propagation & Line-of-Sight

Terrain & Elevation
Hualapai Mountain Ground Profiling

Situated at ~8,417 ft AMSL in Mohave County (Maidenhead Grid DM35bc). 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: