Universal Licensing System

WKO4

Aviation Spectrum Resources Inc

License details

ULS identifier1979765
Call signWKO4
Radio serviceAF
StatusA
Grant date2026-01-26
Expiration2036-01-25
Frequency range129.475 MHz
Locations1
Representative locationDENVER, DENVER, CO
Coordinates39.8533333, -104.6736111
Source archivel_coast.zip
Dataset refreshed2026-08-02 02:08:30

Licensee

NameAviation Spectrum Resources Inc
Applicant typeC
FRN0013756952
LocationAnnapolis, MD
Address180 Admiral Cochrane Drive, Annapolis, MD, 21401
Phone4102666030
Email[email protected]

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
11FA129.4750000025.000000HL

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
11129.475000006K00A3E

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1TDENVER INTERNATIONAL AIRPORT, DENVER, DENVER, CO39.85333333, -104.673611111656.200 mBANT10.000 m structure / 12.000 m overallN

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11T12.000 m360.0000

License history

DateFile or call signAction
2026-01-26WKO4LIREN
2016-01-20WKO4LIREN
2015-11-02WKO4LETRES
2015-02-06WKO4LIAUA
2015-02-05WKO4ESUAPR
2015-02-05WKO4LIAUA
2015-02-04WKO4ESUAPR
2007-03-01WKO4AUTHPR
2006-03-07WKO4AUTHPR
2006-01-01WKO4LIASS
2005-12-20WKO4LIREN
2005-10-31WKO4LETRES
2005-07-25WKO4ESCAPR
2001-04-27WKO4LICCNV

Sources and provenance

SourceSource recordRetrievedMatch
ULS19797652026-08-02 02:08:30Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWKO4ULS 19797652026-08-02 02:08:30
StatusAULS 19797652026-08-02 02:08:30
ServiceAFULS 19797652026-08-02 02:08:30
Grant Date2026-01-26ULS 19797652026-08-02 02:08:30
Expiration Date2036-01-25ULS 19797652026-08-02 02:08:30