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Amateur Radio Repeater • 70cm
AA7RP — 449.22500 MHz
Green Valley • Pima County, Arizona • Grid DM41mu
70cm FM On-Air (ARCA Coordinated) 100.0 Hz -5.000 MHz Shift
AllStar Node 481360
RepeaterBook
Club Website
RF Coverage & Terrain Viewshed
Estimated 18 mi coverage footprint • Click anywhere on map to calculate terrain cross-section
Technical Parameters
| Downlink (Listen / RX) | 449.22500 MHz |
|---|---|
| Uplink (Transmit / TX) | 444.22500 MHz |
| Offset / Shift | -5.000 MHz |
| Uplink Tone (TX Access) | 100.0 Hz |
| Downlink Squelch (RX) | Carrier Squelch (Open RX / Tone Optional) |
| Mode & Bandwidth | FM (Analog) • 70cm |
| Maidenhead Grid | DM41mu |
| Coordinates | 31.85430° N, -110.99370° W |
| Ground Elevation | ~2,980 ft AMSL |
| RepeaterBook Radius | 18 miles nominal |
| Linked System | ARCA Coordinated (AA7RP) |
| Sponsor / Trustee | Trustee (AA7RP) |
| Coordination | ARCA |
| AllStarLink Node |
Node 481360 stats.allstarlink.org |
| Network & Inter-Tie | AllStar Node 481360 |
| Official Website | https://www.azfreqcoord.org/ |
Propagation & Line-of-Sight
Terrain & Elevation
Green Valley Ground Profiling
Situated at ~2,980 ft AMSL in Pima County (Maidenhead Grid DM41mu). 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
Check trustee contact information, travel tones, coordinated status, and community reports directly on RepeaterBook: