Path 1 of Microwave License WRDM709
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Path 1:
Robbin Hill ⇢ Locke Rd. Tank
Transmit and Receive Locations
Robbin Hill
| Radio Service | MW - Microwave Public Safety Pool |
| Transmit Location | Robbin Hill |
| Transmitter Callsign | WRDM709 |
| Type | Transmitter |
| Height to Center | 80.1ft / 24.4m |
| Antenna Make | RADIO WAVES INC. |
| Antenna Model | HP2-18 |
| Polarization | V |
| Tilt | -0.4° |
| Gain | 38.6dBi |
| Beamwidth | 2.0° |
| Azimuth | 337.7° |
| Location Type | Fixed |
| Location Class | Transmit Location |
| Address | Summit Ave |
| City | Chelmsford |
| County | MIDDLESEX |
| State | MA |
| Elevation (AMSL) | 410.1ft / 125.0m |
| Height of Structure | 75.1ft / 22.9m |
| Overall Height | 80.1ft / 24.4m |
| Structure Type | LTOWER - Lattice Tower |
| Lat / Lon | 42-35-06.00 N, 071-21-53.70 W |
1: Robbin Hill - Locke Rd. Tank
| Segment Length | 1.554626mi / 2.501929km |
| Receive Location | Locke Rd. Tank |
| Type | Receiver |
| Height to Center | 85.0ft / 25.9m |
| Antenna Make | RADIO WAVES INC. |
| Antenna Model | HP2-18 |
| Gain | 38.6° |
| Beamwidth | 2.0° |
| Location Type | Fixed |
| Location Class | Receive Location |
| Elevation (AMSL) | 348.1ft / 106.1m |
| Lat / Lon | 42-36-21.00 N, 071-22-35.40 W |
Frequencies and Modulations
| Frequencies | Tolerance | EIRP | ATPC | Emission, Digital Mod Rate, Digital Mod Type | Transmitter Make | Transmitter Model |
|---|
| 1: 17875.00000000 | 0.00100% | 56.6dBm | N | 26M8D7W, 118000.0, 32QAM
| DragonWave | 18HY30EFC118v02haam |
| 2: 17875.00000000 | 0.00100% | 56.6dBm | N | 26M8D7W, 92000.0, 16QAM
| DragonWave | 18HY30EFC092v02haam |
| 3: 17875.00000000 | 0.00100% | 56.6dBm | N | 26M8D7W, 39000.0, QPSK
| DragonWave | 18HY30EFC039v02haam |
|
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