Universal Licensing System

WNSS746

CONTRA COSTA, COUNTY OF

License details

ULS identifier1190409
Call signWNSS746
Radio servicePW
StatusA
Grant date2025-05-06
Expiration2035-07-09
Frequency range33.48 MHz
Locations3
Representative locationLAFAYETTE, CONTRA COSTA, CA
Coordinates37.8929722, -122.1227500
Source archivel_LMpriv.zip
Dataset refreshed2026-08-02 01:08:36

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
11FB33.4800000060.00000060.000000
21FB33.4800000060.00000060.000000
31FB33.4800000060.00000060.000000
41FB33.4800000060.00000060.000000
51FB33.4800000060.00000060.000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
1133.4800000020K0F3E
2133.4800000020K0F3E
3133.4800000020K0F3E
4133.4800000020K0F3E
5133.4800000020K0F3E

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1T1005 OAK ST, CLAYTON, CONTRA COSTA, CA37.94047222, -121.93663889116.000 mN
2T525 HENRIETTA ST, MARTINEZ, CONTRA COSTA, CA38.01380556, -122.135250009.000 mN
3T1004 S THOMPSON ST, LAFAYETTE, CONTRA COSTA, CA37.89297222, -122.12275000110.000 mN
4T20 VIA LAS CRICES, ORINDA, CONTRA COSTA, CA37.89963889, -122.17052778268.000 mN
5T26 ORINDA WAY, ORINDA, CONTRA COSTA, CA37.88241667, -122.18775000136.000 mN

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11T15.000 m
12T15.000 m
13T15.000 m
14T15.000 m
15T15.000 m

Control points

NumberAddressCountyPhone
12900 DOROTHY DR, PLEASANT HILL, CACONTRA COSTA9259305531

License history

DateFile or call signAction
2025-05-06WNSS746LIREN
2025-04-14WNSS746LETRES
2025-04-10WNSS746ESURNW
2020-07-23WNSS746LIAUA
2020-05-07WNSS746LIAUA
2015-04-11WNSS746LIREN
2015-04-10WNSS746ESUAPR
2012-06-16WNSS746LIAUA
2012-06-15WNSS746ESUAPR
2010-06-22WNSS746LIAUA
2010-06-22WNSS746LTSAPR
2010-06-21WNSS746ESCAPR
2010-06-21WNSS746EFCAPR
2005-04-12WNSS746LIREN
2005-04-11WNSS746ESCAPR
2002-02-19WNSS746AUDOPR
2000-10-20WNSS746LICCNV
2000-05-31WNSS746LIREN
2000-05-31WNSS746AUTHPR
2000-04-11WNSS746LETRES

Sources and provenance

SourceSource recordRetrievedMatch
ULS11904092026-08-02 01:08:36Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWNSS746ULS 11904092026-08-02 01:08:36
StatusAULS 11904092026-08-02 01:08:36
ServicePWULS 11904092026-08-02 01:08:36
Grant Date2025-05-06ULS 11904092026-08-02 01:08:36
Expiration Date2035-07-09ULS 11904092026-08-02 01:08:36