Path 1 of Microwave License WRDL804
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Path 1:
Swain Road ⇢ Chelmsford Police HQ
Transmit and Receive Locations
Swain Road
| Radio Service | MW - Microwave Public Safety Pool |
| Transmit Location | Swain Road |
| Transmitter Callsign | WRDL804 |
| Type | Transmitter |
| Height to Center | 134.8ft / 41.1m |
| Antenna Make | RADIO WAVES INC. |
| Antenna Model | HP2-18 |
| Polarization | V |
| Tilt | -0.3° |
| Gain | 38.6dBi |
| Beamwidth | 2.0° |
| Azimuth | 129.6° |
| Location Type | Fixed |
| Location Class | Transmit Location |
| Address | Doris Drive |
| City | Chelmsford |
| County | MIDDLESEX |
| State | MA |
| Elevation (AMSL) | 159.1ft / 48.5m |
| Height of Structure | 134.8ft / 41.1m |
| Overall Height | 145.0ft / 44.2m |
| Structure Type | TANK - Any type of Tank (Water, Gas, etc) |
| Lat / Lon | 42-38-17.30 N, 071-23-49.70 W |
1: Swain Road - Chelmsford Police HQ
| Segment Length | 1.938019mi / 3.118941km |
| Receive Location | Chelmsford Police HQ |
| Type | Receiver |
| Height to Center | 80.1ft / 24.4m |
| Antenna Make | RADIO WAVES INC. |
| Antenna Model | HP2-18 |
| Gain | 38.6° |
| Beamwidth | 2.0° |
| Location Type | Fixed |
| Location Class | Receive Location |
| Elevation (AMSL) | 159.1ft / 48.5m |
| Lat / Lon | 42-37-12.90 N, 071-22-04.20 W |
Frequencies and Modulations
| Frequencies | Tolerance | EIRP | ATPC | Emission, Digital Mod Rate, Digital Mod Type | Transmitter Make | Transmitter Model |
|---|
| 1: 17755.00000000 | 0.00100% | 55.1dBm | N | 28M4D7W, 118000.0, 32QAM
| DragonWave | 18ES30SFC118v05haam |
| 2: 17755.00000000 | 0.00100% | 55.1dBm | N | 28M4D7W, 92000.0, 16QAM
| DragonWave | 18ES30SFC092v05haam |
| 3: 17755.00000000 | 0.00100% | 55.1dBm | N | 28M4D7W, 39000.0, QPSK
| DragonWave | 18ES30SFC039v05haam |
|
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