Path 1 of Microwave License WRDB449

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Path 1:   Shady Grove ⇢ I-270 Tower

Transmit and Receive Locations

Shady Grove

Radio ServiceMW - Microwave Public Safety Pool
Transmit LocationShady Grove
Transmitter CallsignWRDB449
TypeTransmitter
Height to Center198.2ft / 60.4m
Antenna MakeANDREW CORPORATION
Antenna ModelVHLP6-6WA
PolarizationH
Tilt0.1°
Gain39.3dBi
Beamwidth1.8°
Azimuth323.8°
Location TypeFixed
Location ClassTransmit Location
Address8520 PLEASANT RD
CityGAITHERSBURG
CountyMONTGOMERY
StateMD
Elevation (AMSL)555.1ft / 169.2m
Tower Registration Number1218057
Height of Structure250.0ft / 76.2m
Overall Height270.0ft / 82.3m
Structure TypeLTOWER - Lattice Tower
Lat / Lon39-07-11.40 N, 077-10-45.90 W

1: Shady Grove - I-270 Tower

Segment Length12.040766mi / 19.377741km
Receive LocationI-270 Tower
TypeReceiver
Height to Center365.2ft / 111.3m
Antenna MakeANDREW CORPORATION
Antenna ModelVHLP6-6WA
Gain39.3°
Beamwidth1.8°
Diversity Height325.1ft / 99.1m
Diversity Gain39.3°
Diversity Beamwidth1.8°
Location TypeFixed
Location ClassReceive Location
Elevation (AMSL)512.8ft / 156.3m
Lat / Lon39-15-38.00 N, 077-18-43.60 W

 

Frequencies and Modulations

FrequenciesToleranceEIRPATPCEmission, Digital Mod Rate, Digital Mod TypeTransmitter MakeTransmitter Model
1: 6845.000000000.00060%63.1dBmY30M0D7W, 274560.0, 2048QA
NECTRP-U6G-S01A-iPASO-EH-HP
2: 6845.000000000.00060%63.1dBmY30M0D7W, 249600.0, 1024QA
NECTRP-U6G-S01A-iPASO-EH-HP
3: 6845.000000000.00060%64.1dBmY30M0D7W, 224640.0, 512QAM
NECTRP-U6G-S01A-iPASO-EH-HP
4: 6845.000000000.00060%66.1dBmY30M0D7W, 199680.0, 256QAM
NECTRP-U6G-S01A-iPASO-EH-HP
5: 6845.000000000.00060%68.1dBmY30M0D7W, 174720.0, 128QAM
NECTRP-U6G-S01A-iPASO-EH-HP
6: 6845.000000000.00060%68.1dBmY30M0D7W, 149760.0, 64QAM
NECTRP-U6G-S01A-iPASO-EH-HP
7: 6845.000000000.00060%68.1dBmY30M0D7W, 124800.0, 32QAM
NECTRP-U6G-S01A-iPASO-EH-HP
8: 6845.000000000.00060%68.1dBmY30M0D7W, 99840.0, 16QAM
NECTRP-U6G-S01A-iPASO-EH-HP
9: 6845.000000000.00060%68.1dBmY30M0D7W, 49920.0, QPSK
NECTRP-U6G-S01A-iPASO-EH-HP