Universal Licensing System
WWO4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1985014 |
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| Call sign | WWO4 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 2001-03-19 |
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| Expiration | 2006-03-05 |
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| Cancellation | 2006-05-06 |
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| Frequency range | 131.3 MHz |
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| Locations | 1 |
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| Representative location | STERLING, LOUDOUN, VA |
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| Coordinates | 38.9940000, -77.4188889 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:32 |
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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 | FA | 131.30000000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 131.30000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | ONE EXPORT DR, STERLING, LOUDOUN, VA | 38.99400000, -77.41888889 | 94.000 m | B | 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 15.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-05-06 | WWO4 | LIEXP |
| 2006-03-07 | WWO4 | AUTHPR |
| 2006-01-01 | WWO4 | LIASS |
| 2005-12-12 | WWO4 | LETRES |
| 2005-07-25 | WWO4 | ESCAPR |
| 2001-04-27 | WWO4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1985014 | 2026-08-02 02:08:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WWO4 | ULS 1985014 | 2026-08-02 02:08:32 |
| Status | E | ULS 1985014 | 2026-08-02 02:08:32 |
| Service | AF | ULS 1985014 | 2026-08-02 02:08:32 |
| Grant Date | 2001-03-19 | ULS 1985014 | 2026-08-02 02:08:32 |
| Expiration Date | 2006-03-05 | ULS 1985014 | 2026-08-02 02:08:32 |
| Cancellation Date | 2006-05-06 | ULS 1985014 | 2026-08-02 02:08:32 |