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Amateur Radio Repeater • 2m
K7SPV — 145.37000 MHz
Haystack Mountain • Coconino County, Arizona • Grid DM44nm
RF Coverage & Terrain Viewshed
Estimated 45 mi coverage footprint • Click anywhere on map to calculate terrain cross-section
Technical Parameters
| Downlink (Listen / RX) | 145.37000 MHz |
|---|---|
| Uplink (Transmit / TX) | 144.77000 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 (Analog) • 2m |
| Maidenhead Grid | DM44nm |
| Coordinates | 34.50000° N, -110.85000° W |
| Ground Elevation | ~6,200 ft AMSL |
| RepeaterBook Radius | 45 miles nominal |
| Linked System | ARCA Coordinated (SPVARC) |
| Sponsor / Trustee | Trustee (SPVARC) |
| Coordination | ARCA |
| Official Website | https://www.azfreqcoord.org/ |
Propagation & Line-of-Sight
Terrain & Elevation
Haystack Mountain Ground Profiling
Situated at ~6,200 ft AMSL in Coconino County (Maidenhead Grid DM44nm). 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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