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Amateur Radio Repeater • 70cm

KF7LRD — 449.87500 MHz

Mount Union • Yavapai County, Arizona • Grid DM34tj

70cm FM On-Air (ARCA Coordinated) CC 1 -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) 449.87500 MHz
Uplink (Transmit / TX) 444.87500 MHz
Offset / Shift -5.000 MHz
Uplink Tone (TX Access) CC 1
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth DMR • 70cm
Maidenhead Grid DM34tj
Coordinates 34.41500° N, -112.40400° W
Ground Elevation ~7,979 ft AMSL
RepeaterBook Radius 60 miles nominal
Linked System DMR (Allan Tuffelmire)
Sponsor / Trustee Allan Tuffelmire
Coordination ARCA
Official Website https://www.azfreqcoord.org/

Propagation & Line-of-Sight

Terrain & Elevation
Mount Union Ground Profiling

Situated at ~7,979 ft AMSL in Yavapai County (Maidenhead Grid DM34tj). 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: