Universal Licensing System
WPKK933
DAVIDSON GARAGE & DOOR
License details
| ULS identifier | 1929319 |
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| Call sign | WPKK933 |
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| Radio service | YU |
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| Status | E |
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| Grant date | 1997-03-27 |
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| Expiration | 2002-03-27 |
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| Cancellation | 2002-06-02 |
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| Frequency range | 896.925 - 939.95 MHz (8 frequencies) |
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| Locations | 2 |
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| Representative location | CLAREMONT, LOS ANGELES, CA |
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| Coordinates | 34.1880556, -117.7053333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:06 |
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Licensee
| Name | DAVIDSON GARAGE & DOOR |
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| Applicant type | C |
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| Location | UPLAND, CA |
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| Address | 1780 N SAN ANTONIO AVE, UPLAND, CA, 917841856 |
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| Phone | 9099203236 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 896.92500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 897.71250000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 898.63750000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 900.95000000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB4C | 935.92500000 | | | 150.000000 | 160.000000 | |
| 1 | 1 | FB4C | 936.71250000 | | | 150.000000 | 160.000000 | |
| 1 | 1 | FB4C | 937.63750000 | | | 150.000000 | 160.000000 | |
| 1 | 1 | FB4C | 939.95000000 | | | 150.000000 | 160.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 896.92500000 | | 13K6F3E |
| 2 | 1 | 897.71250000 | | 13K6F3E |
| 2 | 1 | 898.63750000 | | 13K6F3E |
| 2 | 1 | 900.95000000 | | 13K6F3E |
| 1 | 1 | 935.92500000 | | 13K6F3E |
| 1 | 1 | 936.71250000 | | 13K6F3E |
| 1 | 1 | 937.63750000 | | 13K6F3E |
| 1 | 1 | 939.95000000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SUNSET PEAK, CLAREMONT, LOS ANGELES, CA | 34.18805556, -117.70533333 | 1603.000 m | TOWER | 37.000 m structure / 37.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 628.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1780 N SAN ANTONIO AVE, UPLAND, CA | | 9099203236 |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-02 | WPKK933 | LIEXP |
| 2001-12-31 | WPKK933 | LETRES |
| 2000-11-24 | WPKK933 | LICCNV |
| 1998-09-29 | WPKK933 | AUTHPR |
| 1998-09-14 | WPKK933 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1929319 | 2026-08-02 01:28:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKK933 | ULS 1929319 | 2026-08-02 01:28:06 |
| Status | E | ULS 1929319 | 2026-08-02 01:28:06 |
| Service | YU | ULS 1929319 | 2026-08-02 01:28:06 |
| Grant Date | 1997-03-27 | ULS 1929319 | 2026-08-02 01:28:06 |
| Expiration Date | 2002-03-27 | ULS 1929319 | 2026-08-02 01:28:06 |
| Cancellation Date | 2002-06-02 | ULS 1929319 | 2026-08-02 01:28:06 |