Universal Licensing System
WBD4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1974039 |
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| Call sign | WBD4 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2004-11-02 |
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| Expiration | 2014-11-02 |
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| Cancellation | 2006-01-24 |
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| Frequency range | 129 MHz |
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| Locations | 1 |
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| Representative location | COLUMBIA, BOONE, MO |
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| Coordinates | 39.8166944, -92.2168611 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 129.00000000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.00000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | COLUMBIA REGIONAL AIRPORT, COLUMBIA, BOONE, MO | 39.81669444, -92.21686111 | 271.000 m | B | 6.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2015-02-05 | WBD4 | AUTHPR |
| 2006-01-25 | WBD4 | LICAN |
| 2006-01-01 | WBD4 | LIASS |
| 2005-07-25 | WBD4 | ESCAPR |
| 2004-11-02 | WBD4 | LIREN |
| 2004-08-09 | WBD4 | LETRES |
| 2001-04-27 | WBD4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1974039 | 2026-08-02 02:08:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WBD4 | ULS 1974039 | 2026-08-02 02:08:28 |
| Status | C | ULS 1974039 | 2026-08-02 02:08:28 |
| Service | AF | ULS 1974039 | 2026-08-02 02:08:28 |
| Grant Date | 2004-11-02 | ULS 1974039 | 2026-08-02 02:08:28 |
| Expiration Date | 2014-11-02 | ULS 1974039 | 2026-08-02 02:08:28 |
| Cancellation Date | 2006-01-24 | ULS 1974039 | 2026-08-02 02:08:28 |