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Amateur Radio Repeater • 70cm

KF7LRD — 447.27500 MHz

Quad Butte • Yavapai County, Arizona • Grid DM34un

70cm FM On-Air (ARCA Coordinated) 77.0 Hz -5.000 MHz Shift RepeaterBook Club Website

RF Coverage & Terrain Viewshed

Estimated 45 mi coverage footprint • Click anywhere on map to calculate terrain cross-section

Terrain Profiler Tool

Technical Parameters

Downlink (Listen / RX) 447.27500 MHz
Uplink (Transmit / TX) 442.27500 MHz
Offset / Shift -5.000 MHz
Uplink Tone (TX Access) 77.0 Hz
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth FM (Analog) • 70cm
Maidenhead Grid DM34un
Coordinates 34.55000° N, -112.30000° W
Ground Elevation ~5,400 ft AMSL
RepeaterBook Radius 45 miles nominal
Linked System Linked Network (Allan Tuffelmire)
Sponsor / Trustee Allan Tuffelmire
Coordination ARCA
Official Website https://www.azfreqcoord.org/

Propagation & Line-of-Sight

Terrain & Elevation
Quad Butte Ground Profiling

Situated at ~5,400 ft AMSL in Yavapai County (Maidenhead Grid DM34un). 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: