Universal Licensing System

WPKU949

Crystal SMR Inc

License details

ULS identifier1752028
Call signWPKU949
Radio serviceIG
StatusA
Grant date2022-09-07
Expiration2032-07-30
Frequency range460.775 - 465.8 MHz (4 frequencies)
Locations2
Representative locationMIDDLETOWN, LAKE, CA
Coordinates38.8082500, -122.7375000
Source archivel_LMpriv.zip
Dataset refreshed2026-08-02 01:14:20

Licensee

NameCrystal SMR Inc
Applicant typeC
FRN0005749403
LocationSan Leandro, CA
Address1601 Neptune Drive, San Leandro, CA, 94577
Phone5108959500
Email[email protected]

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
11FB6460.7750000060.0000009.000000
11FB6460.8000000060.0000009.000000
21MO465.7750000025.00000025.000000
21MO465.8000000025.00000025.000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
11460.7750000011K2F3E
11460.8000000011K2F3E
21465.7750000011K2F3E
21465.8000000011K2F3E

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1TCOBB MOUNTAIN, MIDDLETOWN, LAKE, CA38.80825000, -122.737500001435.000 mTOWER37.000 m structure / 37.000 m overallN
2T

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11T24.000 m914.000
12T

Control points

NumberAddressCountyPhone
2140 Johnson Drive, Windsor, CASONOMA7075458300

License history

DateFile or call signAction
2025-01-30WPKU949LIASS
2022-09-07WPKU949LIREN
2013-01-18WPKU949LIREN
2012-08-31WPKU949LTSAPR
2012-05-07WPKU949LETRES
2002-07-30WPKU949LIREN
2002-05-06WPKU949LETRES
2001-10-11WPKU949AUDOPR
2000-11-23WPKU949LICCNV
1997-07-29WPKU949LIISS
1997-07-29WPKU949AUTHPR

Sources and provenance

SourceSource recordRetrievedMatch
ULS17520282026-08-02 01:14:20Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWPKU949ULS 17520282026-08-02 01:14:20
StatusAULS 17520282026-08-02 01:14:20
ServiceIGULS 17520282026-08-02 01:14:20
Grant Date2022-09-07ULS 17520282026-08-02 01:14:20
Expiration Date2032-07-30ULS 17520282026-08-02 01:14:20