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Amateur Radio Repeater • 70cm
AE7RR — 440.75000 MHz
Scottsdale Airport • Maricopa County, Arizona • Grid DM43bo
70cm FM On-Air (ARCA Coordinated) CSQ (Carrier Squelch / Open) +5.000 MHz Shift
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) | 440.75000 MHz |
|---|---|
| Uplink (Transmit / TX) | 445.75000 MHz |
| Offset / Shift | +5.000 MHz |
| Uplink Tone (TX Access) | CSQ (Carrier Squelch / Open) |
| Downlink Squelch (RX) | Carrier Squelch (Open RX / Tone Optional) |
| Mode & Bandwidth | DMR • 70cm |
| Maidenhead Grid | DM43bo |
| Coordinates | 33.62050° N, -111.91600° W |
| Ground Elevation | ~1,510 ft AMSL |
| RepeaterBook Radius | 18 miles nominal |
| Linked System | DMR (Ron L. Riggs) |
| Sponsor / Trustee | Ron L. Riggs |
| Coordination | ARCA |
| Official Website | https://www.azfreqcoord.org/ |
Propagation & Line-of-Sight
Terrain & Elevation
Scottsdale Airport Ground Profiling
Situated at ~1,510 ft AMSL in Maricopa County (Maidenhead Grid DM43bo). 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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