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Amateur Radio Repeater • 1.25m

W7NAZ — 224.94000 MHz

Chandler • Maricopa County, Arizona • Grid DM43bh

1.25m FM On-Air (ARCA Coordinated) 156.7 Hz -1.600 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) 224.94000 MHz
Uplink (Transmit / TX) 223.34000 MHz
Offset / Shift -1.600 MHz
Uplink Tone (TX Access) 156.7 Hz
Downlink Squelch (RX) Carrier Squelch (Open RX / Tone Optional)
Mode & Bandwidth FM (Analog) • 1.25m
Maidenhead Grid DM43bh
Coordinates 33.30620° N, -111.84130° W
Ground Elevation ~1,214 ft AMSL
RepeaterBook Radius 18 miles nominal
Linked System ARCA Coordinated (David Holt)
Sponsor / Trustee David Holt
Coordination ARCA
Official Website https://www.azfreqcoord.org/

Propagation & Line-of-Sight

Terrain & Elevation
Chandler Ground Profiling

Situated at ~1,214 ft AMSL in Maricopa County (Maidenhead Grid DM43bh). 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: