Universal Licensing System
WBO4
BIG BEAR AIRPORT DISTRICT
License details
| ULS identifier | 1974148 |
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| Call sign | WBO4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2018-10-25 |
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| Expiration | 2028-11-12 |
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| Frequency range | 122.725 MHz |
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| Locations | 1 |
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| Representative location | BIG BEAR CITY, SAN BERNARDINO, CA |
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| Coordinates | 34.2636111, -116.8544722 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:08 |
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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 | FAA | 122.72500000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 122.72500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | BIG BEAR CITY AIRPORT, BIG BEAR CITY, SAN BERNARDINO, CA | 34.26361111, -116.85447222 | 2057.000 m | B | 12.000 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 | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | MAIN TERMINAL PILOTS LOUNGE BIG BEAR CITY AIRPORT, BIG BEAR CITY, CA | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-02-20 | WBO4 | LIAUA |
| 2018-10-25 | WBO4 | LIREN |
| 2018-08-20 | WBO4 | LETRES |
| 2008-10-07 | WBO4 | LIREN |
| 2008-08-18 | WBO4 | LETRES |
| 2006-04-12 | WBO4 | LIMOD |
| 2006-03-06 | WBO4 | LTSAPR |
| 2006-03-03 | WBO4 | ESCAPR |
| 2006-03-03 | WBO4 | EFCAPR |
| 2003-12-11 | WBO4 | LIREN |
| 2003-08-18 | WBO4 | LETRES |
| 2001-04-27 | WBO4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1974148 | 2026-08-02 02:08:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WBO4 | ULS 1974148 | 2026-08-02 02:08:08 |
| Status | A | ULS 1974148 | 2026-08-02 02:08:08 |
| Service | AF | ULS 1974148 | 2026-08-02 02:08:08 |
| Grant Date | 2018-10-25 | ULS 1974148 | 2026-08-02 02:08:08 |
| Expiration Date | 2028-11-12 | ULS 1974148 | 2026-08-02 02:08:08 |