Path 1 of Microwave License WRDM715

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Path 1:   Four Point Bldg. ⇢ Chelmsford Police HQ

Transmit and Receive Locations

Four Point Bldg.

Radio ServiceMW - Microwave Public Safety Pool
Transmit LocationFour Point Bldg.
Transmitter CallsignWRDM715
TypeTransmitter
Height to Center169.9ft / 51.8m
Antenna MakeRADIO WAVES INC.
Antenna ModelHP2-18
PolarizationH
Tilt-0.5°
Gain38.6dBi
Beamwidth2.0°
Azimuth281.0°
Location TypeFixed
Location ClassTransmit Location
Address900 Chelmsford Street
CityLowell
CountyMIDDLESEX
StateMA
Elevation (AMSL)174.9ft / 53.3m
Height of Structure169.0ft / 51.5m
Overall Height175.2ft / 53.4m
Structure TypeBPIPE - Building with Pipe
Lat / Lon42-36-50.90 N, 071-19-30.50 W

1: Four Point Bldg. - Chelmsford Police HQ

Segment Length2.217085mi / 3.568054km
Receive LocationChelmsford Police HQ
TypeReceiver
Height to Center80.1ft / 24.4m
Antenna MakeRADIO WAVES INC.
Antenna ModelHP2-18
Gain38.6°
Beamwidth2.0°
Location TypeFixed
Location ClassReceive Location
Elevation (AMSL)159.1ft / 48.5m
Lat / Lon42-37-12.90 N, 071-22-04.20 W

 

Frequencies and Modulations

FrequenciesToleranceEIRPATPCEmission, Digital Mod Rate, Digital Mod TypeTransmitter MakeTransmitter Model
1: 17820.000000000.00100%65.6dBmN64M5D7W, 626000.0, 2048QA
DragonWave18EM80HFC626v01haam
2: 17820.000000000.00100%65.6dBmN64M5D7W, 563000.0, 1024QA
DragonWave18EM80HFC563v01haam
3: 17820.000000000.00100%65.6dBmN64M5D7W, 512000.0, 512QAM
DragonWave18EM80HFC512v01haam
4: 17820.000000000.00100%65.6dBmN64M5D7W, 454000.0, 256QAM
DragonWave18EM80HFC454v01haam
5: 17820.000000000.00100%65.6dBmN64M5D7W, 393000.0, 128QAM
DragonWave18EM80HFC393v01haam
6: 17820.000000000.00100%65.6dBmN64M5D7W, 333000.0, 64QAM
DragonWave18EM80HFC333v01haam
7: 17820.000000000.00100%65.6dBmN64M5D7W, 272000.0, 32QAM
DragonWave18EM80HFC272v01haam
8: 17820.000000000.00100%65.6dBmN64M5D7W, 212000.0, 16QAM
DragonWave18EM80HFC212v01haam
9: 17820.000000000.00100%65.6dBmN64M5D7W, 91000.0, QPSK
DragonWave18EM80HFC091v01haam