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Amateur Radio Repeater • 70cm
KF7LRD — 449.87500 MHz
Mount Union • Yavapai County, Arizona • Grid DM34tj
RF Coverage & Terrain Viewshed
Estimated 60 mi coverage footprint • Click anywhere on map to calculate terrain cross-section
Technical Parameters
| Downlink (Listen / RX) | 449.87500 MHz |
|---|---|
| Uplink (Transmit / TX) | 444.87500 MHz |
| Offset / Shift | -5.000 MHz |
| Uplink Tone (TX Access) | CC 1 |
| Downlink Squelch (RX) | Carrier Squelch (Open RX / Tone Optional) |
| Mode & Bandwidth | DMR • 70cm |
| Maidenhead Grid | DM34tj |
| Coordinates | 34.41500° N, -112.40400° W |
| Ground Elevation | ~7,979 ft AMSL |
| RepeaterBook Radius | 60 miles nominal |
| Linked System | DMR (Allan Tuffelmire) |
| Sponsor / Trustee | Allan Tuffelmire |
| Coordination | ARCA |
| Official Website | https://www.azfreqcoord.org/ |
Propagation & Line-of-Sight
Terrain & Elevation
Mount Union Ground Profiling
Situated at ~7,979 ft AMSL in Yavapai County (Maidenhead Grid DM34tj). 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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