Universal Licensing System
WLK228
SF MDS LLC.
License details
| ULS identifier | 2592134 |
|---|
| Call sign | WLK228 |
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| Radio service | BR |
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| Status | C |
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| Grant date | 2002-05-28 |
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| Expiration | 2011-05-01 |
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| Cancellation | 2010-05-12 |
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| Frequency range | 2156 - 2162 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | Daly City, SAN MATEO, CA |
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| Coordinates | 37.6880000, -122.4363611 |
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| Source archive | l_mdsitfs.zip |
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| Dataset refreshed | 2026-08-02 02:30:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | | 2156.00000000 | 2160.00000000 | | | | |
| 4 | 1 | | 2156.00000000 | 2162.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 2156.00000000 | | 6M00D7W |
| 3 | 1 | 2156.00000000 | | 250KF3E |
| 3 | 1 | 2156.00000000 | | 5M75C3F |
| 3 | 1 | 2156.00000000 | | 6M00C7W |
| 4 | 1 | 2156.00000000 | | 6M00D7W |
| 4 | 1 | 2156.00000000 | | 5M75C3F |
| 4 | 1 | 2156.00000000 | | 250KF3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | C | | 37.68805556, -122.43638889 | | | | |
| 3 | T | 500 RADIO RD (San Bruno T6 #8247), Daly City, SAN MATEO, CA | 37.68800000, -122.43636111 | 374.300 m | TOWER | 76.200 m structure / 77.100 m overall | N |
| 4 | T | Daly City, SAN MATEO, CA | 37.68805556, -122.43527778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | | Andrew 63502 | | V | 16.0000 | 55.0000 | | |
| 1 | 4 | | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2010-05-13 | WLK228 | LICAN |
| 2010-03-19 | WLK228 | LIAUA |
| 2010-03-18 | WLK228 | ESUAPR |
| 2009-03-06 | WLK228 | LIMOD |
| 2009-02-25 | WLK228 | ESUAPR |
| 2009-01-16 | WLK228 | LTSAPR |
| 2009-01-16 | WLK228 | LIAUA |
| 2008-11-28 | WLK228 | LITRAN |
| 2008-06-17 | WLK228 | AUTHPR |
| 2008-06-07 | WLK228 | ESCAPR |
| 2008-05-16 | WLK228 | LIASS |
| 2008-05-06 | WLK228 | LTSAPR |
| 2007-11-20 | WLK228 | LTSAPR |
| 2007-11-20 | WLK228 | LIAUA |
| 2007-10-15 | WLK228 | LITRAN |
| 2007-10-13 | WLK228 | LIAUA |
| 2007-10-12 | WLK228 | ESCAPR |
| 2007-07-03 | WLK228 | ESCAPR |
| 2007-02-01 | WLK228 | AUTHPR |
| 2007-01-26 | WLK228 | LIMOD |
| 2005-12-23 | WLK228 | ESCAPR |
| 2005-07-09 | WLK228 | LICCNV |
| 2004-02-12 | WLK228 | LICCNV |
| 2003-04-01 | WLK228 | COR |
| 2002-12-30 | WLK228 | TULSCN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2592134 | 2026-08-02 02:30:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLK228 | ULS 2592134 | 2026-08-02 02:30:57 |
| Status | C | ULS 2592134 | 2026-08-02 02:30:57 |
| Service | BR | ULS 2592134 | 2026-08-02 02:30:57 |
| Grant Date | 2002-05-28 | ULS 2592134 | 2026-08-02 02:30:57 |
| Expiration Date | 2011-05-01 | ULS 2592134 | 2026-08-02 02:30:57 |
| Cancellation Date | 2010-05-12 | ULS 2592134 | 2026-08-02 02:30:57 |