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Amateur Radio Repeater • 70cm

K7EAR — 440.07500 MHz

Guthrie Peak • Greenlee County, Arizona • Grid DM52ix

70cm FM On-Air (ARCA Coordinated) 141.3 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) 440.07500 MHz
Uplink (Transmit / TX) 445.07500 MHz
Offset / Shift +5.000 MHz
Uplink Tone (TX Access) 141.3 Hz
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth DMR • 70cm
Maidenhead Grid DM52ix
Coordinates 32.96800° N, -109.30800° W
Ground Elevation ~6,570 ft AMSL
RepeaterBook Radius 45 miles nominal
Linked System EAARS System
Sponsor / Trustee Eastern Arizona Amateur Radio Society
Coordination ARCA
Official Website https://www.eaars.com/eaars-network/

Propagation & Line-of-Sight

Terrain & Elevation
Guthrie Peak Ground Profiling

Situated at ~6,570 ft AMSL in Greenlee County (Maidenhead Grid DM52ix). 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

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