Universal Licensing System

WQKR538

CONTRA COSTA, COUNTY OF

License details

ULS identifier3127402
Call signWQKR538
Radio serviceMW
StatusA
Grant date2019-08-21
Expiration2029-08-24
Frequency range11245 - 11365 MHz (2 frequencies)
Locations3
Representative locationRichmond, CONTRA COSTA, CA
Coordinates37.9575556, -122.3124167
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
11FXO11245.00000000
12FXO11365.00000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
1111245.0000000030M0D7W
1211365.0000000030M0D7W

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1TPEARL RESERVOIR, Richmond, CONTRA COSTA, CA37.95755556, -122.31241667203.600 mLTOWER18.000 m structure / 18.000 m overallN
2R37.99305556, -122.26972222173.400 m
3R37.93561111, -122.3425833315.800 m

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11TRADIO WAVES, INC HP3-11V37.600043.6000
12RRADIO WAVES, INC HP3-1137.60000.0000
13RRADIO WAVES, INC HP3-1137.60000.0000
21TRADIO WAVES, INC HP3-11V37.6000227.4000

Control points

NumberAddressCountyPhone
130 DOUGLAS DRIVE, MARTINEZ, CACONTRA COSTA9253131250

License history

DateFile or call signAction
2022-01-10WQKR538LIMOD
2020-07-23WQKR538LIAUA
2020-05-12WQKR538LIAUA
2019-08-21WQKR538LIREN
2019-08-14WQKR538ESURNW
2019-07-25WQKR538ESURNW
2019-06-25WQKR538ESURNW
2019-06-03WQKR538LETRES
2019-05-26WQKR538ESURNW
2016-08-11WQKR538LIMOD
2016-07-25WQKR538ESUAPR
2012-08-14WQKR538LTSAPR
2012-08-13WQKR538EFCAPR
2012-06-16WQKR538LIAUA
2012-06-15WQKR538ESCAPR
2009-12-17WQKR538LIMOD
2009-08-24WQKR538LIISS

Sources and provenance

SourceSource recordRetrievedMatch
ULS31274022026-08-17 04:17:06Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWQKR538ULS 31274022026-08-17 04:17:06
StatusAULS 31274022026-08-17 04:17:06
ServiceMWULS 31274022026-08-17 04:17:06
Grant Date2019-08-21ULS 31274022026-08-17 04:17:06
Expiration Date2029-08-24ULS 31274022026-08-17 04:17:06