Universal Licensing System

WSIA564

Contra Costa County

License details

ULS identifier5126673
Call signWSIA564
Radio serviceMW
StatusA
Grant date2025-04-24
Expiration2035-04-24
Frequency range10775 - 10975 MHz (2 frequencies)
Locations2
Representative locationByron, CONTRA COSTA, CA
Coordinates37.8753889, -121.6223611
Source archivel_micro.zip
Dataset refreshed2026-08-02 02:42:29

Licensee

NameContra Costa County
Applicant typeG
FRN0001540145
LocationMartinez, CA
Address30 Douglas Drive, Martinez, CA, 94553
Phone9253131200
Email[email protected]

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
12FXO10775.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
11FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000
13FXO10975.00000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0D7W
1210775.0000000040M0G7W
1110975.0000000040M0G7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1110975.0000000040M0D7W
1310975.0000000040M0G7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W
1310975.0000000040M0D7W

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1TBixler Road, Byron, CONTRA COSTA, CA37.87538889, -121.622361112.000 mB9.100 m structure / 9.100 m overallN
2R37.81436111, -121.80827778786.700 m

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11TCOMMSCOPE SHPX3-11WH38.4000247.6000
12RCOMMSCOPE SHPX4-11W41.0000
21TANDREW SHPX3-11WH38.7000247.6000
22RANDREW SHPX4-11W41.00000.0000
31TCOMMSCOPE SHPX3-11WH38.4000247.6000
32RCOMMSCOPE SHPX4-11W41.0000

License history

DateFile or call signAction
2025-08-18WSIA564LIMOD
2025-06-11WSIA564LIMOD
2025-04-24WSIA564LIISS

Sources and provenance

SourceSource recordRetrievedMatch
ULS51266732026-08-02 02:42:29Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWSIA564ULS 51266732026-08-02 02:42:29
StatusAULS 51266732026-08-02 02:42:29
ServiceMWULS 51266732026-08-02 02:42:29
Grant Date2025-04-24ULS 51266732026-08-02 02:42:29
Expiration Date2035-04-24ULS 51266732026-08-02 02:42:29