Universal Licensing System

WQNK634

Contra Costa County

License details

ULS identifier3270098
Call signWQNK634
Radio serviceMW
StatusA
Grant date2021-01-27
Expiration2031-03-07
Frequency range11345 - 11465 MHz (3 frequencies)
Locations4
Coordinates38.0068611, -122.1442222
Source archivel_micro.zip
Dataset refreshed2026-08-17 04:17:06

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
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
15FXO11345.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
13FXO11385.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
14FXO11425.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000
16FXO11465.00000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
1511345.0000000040M0G7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1511345.0000000040M0D7W
1311385.0000000040M0G7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1311385.0000000040M0D7W
1411425.0000000040M0G7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1411425.0000000040M0D7W
1611465.0000000040M0G7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W
1611465.0000000040M0D7W

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1T1850 MUIR ROAD, Martinez, CONTRA COSTA, CA37.99022222, -122.0882777849.700 mLTOWER43.900 m structure / 43.900 m overallN
3R38.00686111, -122.14422222197.800 m
4R37.99488889, -122.1224722276.000 m
5R37.93852778, -122.0268888924.400 m
6R37.94297222, -121.89105556577.300 m

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
14RCOMMSCOPE P4-107E40.5000
15RCOMMSCOPE SHPX3-11W38.4000
16RCOMMSCOPE HP6-107G44.0000
23RRFS SBX4-W100C40.1000
31TCOMMSCOPE PL4-107EV40.5000290.5000
41TCOMMSCOPE P4-107EV40.5000279.5000
51TCOMMSCOPE SHPX3-11WV38.4000136.8000
61TCOMMSCOPE PL6-107EV44.0000106.8000

Special conditions

TypeCondition code
P4020

License history

DateFile or call signAction
2024-03-05WQNK634LIMOD
2023-10-21WQNK634LETCNS
2023-07-11WQNK634PLAUPR
2023-05-16WQNK634LETCNS
2022-02-14WQNK634LIMOD
2021-01-27WQNK634LIREN
2021-01-06WQNK634ESURNW
2020-12-14WQNK634LETRES
2020-12-07WQNK634ESURNW
2020-07-23WQNK634LIAUA
2020-05-12WQNK634LIAUA
2012-08-14WQNK634LTSAPR
2012-08-13WQNK634EFCAPR
2012-06-16WQNK634LIAUA
2012-06-15WQNK634ESCAPR
2012-06-12WQNK634LETCNS
2011-03-07WQNK634LIISS

Sources and provenance

SourceSource recordRetrievedMatch
ULS32700982026-08-17 04:17:06Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWQNK634ULS 32700982026-08-17 04:17:06
StatusAULS 32700982026-08-17 04:17:06
ServiceMWULS 32700982026-08-17 04:17:06
Grant Date2021-01-27ULS 32700982026-08-17 04:17:06
Expiration Date2031-03-07ULS 32700982026-08-17 04:17:06