Universal Licensing System

WQKR551

CONTRA COSTA, COUNTY OF

License details

ULS identifier3127435
Call signWQKR551
Radio serviceMW
StatusA
Grant date2019-08-21
Expiration2029-08-24
Frequency range10875 - 11035 MHz (2 frequencies)
Locations3
Representative locationRichmond, CONTRA COSTA, CA
Coordinates37.9356111, -122.3425833
Source archivel_micro.zip
Dataset refreshed2026-08-17 04:17:06

Licensee

NameCONTRA COSTA, COUNTY OF
Applicant typeG
FRN0001540145
LocationMARTINEZ, CA
Address30 DOUGLAS DRIVE, MARTINEZ, CA, 945534068
Phone9253131200
Email[email protected]

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
12FXO10875.00000000
11FXO11035.00000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
1210875.0000000030M0D7W
1111035.0000000030M0D7W

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1T316-318 27th St, Richmond, CONTRA COSTA, CA37.93561111, -122.3425833315.800 mBANT7.400 m structure / 9.000 m overallN
2R37.92019444, -122.38188889113.100 m
3R37.95755556, -122.31241667203.600 m

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11TRADIO WAVES, INC HP3-11V37.6000243.7000
12RRADIO WAVES, INC HP3-1137.60000.0000
13RRADIO WAVES, INC HP3-1137.60000.0000
21TRADIO WAVES, INC HP3-11V37.600047.4000

Control points

NumberAddressCountyPhone
130 DOUGLAS DRIVE, MARTINEZ, CACONTRA COSTA9253131250

License history

DateFile or call signAction
2022-01-06WQKR551LIMOD
2020-07-23WQKR551LIAUA
2020-05-12WQKR551LIAUA
2019-08-21WQKR551LIREN
2019-08-14WQKR551ESURNW
2019-07-25WQKR551ESURNW
2019-06-25WQKR551ESURNW
2019-06-03WQKR551LETRES
2019-05-26WQKR551ESURNW
2016-08-11WQKR551LIMOD
2016-07-25WQKR551ESUAPR
2012-08-14WQKR551LTSAPR
2012-08-13WQKR551EFCAPR
2012-06-16WQKR551LIAUA
2012-06-15WQKR551ESCAPR
2009-12-16WQKR551LIMOD
2009-08-24WQKR551LIISS

Sources and provenance

SourceSource recordRetrievedMatch
ULS31274352026-08-17 04:17:06Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWQKR551ULS 31274352026-08-17 04:17:06
StatusAULS 31274352026-08-17 04:17:06
ServiceMWULS 31274352026-08-17 04:17:06
Grant Date2019-08-21ULS 31274352026-08-17 04:17:06
Expiration Date2029-08-24ULS 31274352026-08-17 04:17:06