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Amateur Radio Repeater • 2m
K7LHR — 146.64000 MHz
Red Mountain (Patagonia) • Santa Cruz County, Arizona • Grid DM41pm
RF Coverage & Terrain Viewshed
Estimated 45 mi coverage footprint • Click anywhere on map to calculate terrain cross-section
Technical Parameters
| Downlink (Listen / RX) | 146.64000 MHz |
|---|---|
| Uplink (Transmit / TX) | 146.04000 MHz |
| Offset / Shift | -0.600 MHz |
| Uplink Tone (TX Access) | 127.3 Hz |
| Downlink Squelch (RX) | Carrier Squelch (Open RX / Tone Optional) |
| Mode & Bandwidth | FM (Analog) • 2m |
| Maidenhead Grid | DM41pm |
| Coordinates | 31.53000° N, -110.74000° W |
| Ground Elevation | ~5,400 ft AMSL |
| RepeaterBook Radius | 45 miles nominal |
| Linked System | ARCA Coordinated (K7LHR) |
| Sponsor / Trustee | Trustee (K7LHR) |
| Coordination | ARCA |
| Official Website | https://www.azfreqcoord.org/ |
Propagation & Line-of-Sight
Terrain & Elevation
Red Mountain (Patagonia) Ground Profiling
Situated at ~5,400 ft AMSL in Santa Cruz County (Maidenhead Grid DM41pm). 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 ProfilerOfficial Database & Coordination
Live Records on RepeaterBook
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