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Amateur Radio Repeater • 2m

W7GAA — 145.17000 MHz

Bullhead City • Mohave County, Arizona • Grid DM25rd

2m FM On-Air (ARCA Coordinated) 131.8 Hz -0.600 MHz Shift RepeaterBook Club Website

RF Coverage & Terrain Viewshed

Estimated 18 mi coverage footprint • Click anywhere on map to calculate terrain cross-section

Terrain Profiler Tool

Technical Parameters

Downlink (Listen / RX) 145.17000 MHz
Uplink (Transmit / TX) 144.57000 MHz
Offset / Shift -0.600 MHz
Uplink Tone (TX Access) 131.8 Hz
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth FM (EchoLink) • 2m
Maidenhead Grid DM25rd
Coordinates 35.14780° N, -114.56830° W
Ground Elevation ~540 ft AMSL
RepeaterBook Radius 18 miles nominal
Linked System EchoLink (WARC)
Sponsor / Trustee Trustee (WARC)
Coordination ARCA
Official Website https://www.azfreqcoord.org/

Propagation & Line-of-Sight

Terrain & Elevation
Bullhead City Ground Profiling

Situated at ~540 ft AMSL in Mohave County (Maidenhead Grid DM25rd). 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: