Universal Licensing System

WRPP974

CONTRA COSTA, COUNTY OF

License details

ULS identifier4564128
Call signWRPP974
Radio servicePW
StatusA
Grant date2022-03-04
Expiration2032-03-04
Frequency range453.0625 - 458.8875 MHz (5 frequencies)
Locations1
Representative locationCONCORD, CONTRA COSTA, CA
Coordinates37.9752778, -122.0488889
Source archivel_LMpriv.zip
Dataset refreshed2026-08-16 06:41:20

Licensee

NameCONTRA COSTA, COUNTY OF
Applicant typeG
FRN0001540145
LocationMARTINEZ, CA
Address30 DOUGLAS DRIVE, MARTINEZ, CA, 94553
Phone9253131200
Email[email protected]

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
11MO453.062500002.0000002.000000
11MO453.112500002.0000002.000000
11MO453.887500002.0000002.000000
11MO453.937500002.0000002.000000
11MO458.887500002.0000002.000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
11453.0625000011K2F3E
11453.1125000011K2F3E
11453.8875000011K2F3E
11453.9375000011K2F3E
11458.8875000011K2F3E

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1TCONCORD, CONTRA COSTA, CA37.97527778, -122.04888889

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11T

Control points

NumberAddressCountyPhone
130 DOUGLAS DRIVE, MARTINEZ, CACONTRA COSTA9253131305

License history

DateFile or call signAction
2023-07-25WRPP974FRATRE
2023-04-12WRPP974PNLISR
2023-04-12WRPP974LETTRS
2022-12-06WRPP974LETCNS
2022-03-04WRPP974LIISS

Sources and provenance

SourceSource recordRetrievedMatch
ULS45641282026-08-16 06:41:20Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWRPP974ULS 45641282026-08-16 06:41:20
StatusAULS 45641282026-08-16 06:41:20
ServicePWULS 45641282026-08-16 06:41:20
Grant Date2022-03-04ULS 45641282026-08-16 06:41:20
Expiration Date2032-03-04ULS 45641282026-08-16 06:41:20