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Amateur Radio Repeater • 2m
K7EAR — 145.27000 MHz
South Mountain (Alpine) • Apache County, Arizona • Grid DM53ku
RF Coverage & Terrain Viewshed
Estimated 60 mi coverage footprint • Click anywhere on map to calculate terrain cross-section
Technical Parameters
| Downlink (Listen / RX) | 145.27000 MHz |
|---|---|
| Uplink (Transmit / TX) | 144.67000 MHz |
| Offset / Shift | -0.600 MHz |
| Uplink Tone (TX Access) | 141.3 Hz |
| Downlink Squelch (RX) | Carrier Squelch (Open RX / Tone Optional) |
| Mode & Bandwidth | FM (Analog) • 2m |
| Maidenhead Grid | DM53ku |
| Coordinates | 33.84000° N, -109.15000° W |
| Ground Elevation | ~8,200 ft AMSL |
| RepeaterBook Radius | 60 miles nominal |
| Linked System | EAARS Statewide Network (Linked System) |
| Sponsor / Trustee | Eastern Arizona Amateur Radio Society |
| Coordination | ARCA |
| EAARS Site Code | EAARS: ALPINE |
| Network & Inter-Tie | Linked to Greens Peak (White Mountains) |
| Official Website | https://www.eaars.com/eaars-network/ |
Propagation & Line-of-Sight
Terrain & Elevation
South Mountain (Alpine) Ground Profiling
Situated at ~8,200 ft AMSL in Apache County (Maidenhead Grid DM53ku). 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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