Universal Licensing System
WSW521
MOBIL OIL TELCOM LTD
License details
| ULS identifier | 1843509 |
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| Call sign | WSW521 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2003-05-15 |
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| Expiration | 2013-08-10 |
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| Cancellation | 2010-11-17 |
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| Frequency range | 48.76 MHz |
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| Locations | 1 |
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| Representative location | ROBY, FISHER, TX |
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| Coordinates | 32.6134444, -100.5484444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 48.76000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 48.76000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 13 MI SW OF, ROBY, FISHER, TX | 32.61344444, -100.54844444 | 668.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 50.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 13 MI SW OF, ROBY, TX | | 2128834555 |
License history
| Date | File or call sign | Action |
|---|
| 2010-11-18 | WSW521 | LICAN |
| 2007-09-15 | WSW521 | LIAUA |
| 2007-09-14 | WSW521 | ESCAPR |
| 2003-05-15 | WSW521 | LIREN |
| 2002-02-04 | WSW521 | AUDOPR |
| 2000-11-23 | WSW521 | LICCNV |
| 2000-08-16 | WSW521 | AUTHPR |
| 1999-12-28 | WSW521 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1843509 | 2026-08-02 01:15:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSW521 | ULS 1843509 | 2026-08-02 01:15:26 |
| Status | C | ULS 1843509 | 2026-08-02 01:15:26 |
| Service | IG | ULS 1843509 | 2026-08-02 01:15:26 |
| Grant Date | 2003-05-15 | ULS 1843509 | 2026-08-02 01:15:26 |
| Expiration Date | 2013-08-10 | ULS 1843509 | 2026-08-02 01:15:26 |
| Cancellation Date | 2010-11-17 | ULS 1843509 | 2026-08-02 01:15:26 |