Universal Licensing System
KBI4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1963881 |
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| Call sign | KBI4 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2009-03-10 |
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| Expiration | 2019-03-31 |
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| Cancellation | 2014-02-19 |
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| Frequency range | 128.85 MHz |
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| Locations | 1 |
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| Representative location | DENVER, DENVER, CO |
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| Coordinates | 39.8549722, -104.6735833 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:25 |
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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 | 128.85000000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 128.85000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DENVER INTERNATIONAL AIRPORT, DENVER, DENVER, CO | 39.85497222, -104.67358333 | 1636.000 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 | | 11.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2014-02-20 | KBI4 | LICAN |
| 2009-03-10 | KBI4 | LIREN |
| 2009-01-05 | KBI4 | LETRES |
| 2007-03-01 | KBI4 | AUTHPR |
| 2006-03-07 | KBI4 | AUTHPR |
| 2006-01-01 | KBI4 | LIASS |
| 2005-07-25 | KBI4 | ESCAPR |
| 2004-02-18 | KBI4 | LIREN |
| 2004-01-05 | KBI4 | LETRES |
| 2001-04-27 | KBI4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1963881 | 2026-08-02 02:08:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KBI4 | ULS 1963881 | 2026-08-02 02:08:25 |
| Status | C | ULS 1963881 | 2026-08-02 02:08:25 |
| Service | AF | ULS 1963881 | 2026-08-02 02:08:25 |
| Grant Date | 2009-03-10 | ULS 1963881 | 2026-08-02 02:08:25 |
| Expiration Date | 2019-03-31 | ULS 1963881 | 2026-08-02 02:08:25 |
| Cancellation Date | 2014-02-19 | ULS 1963881 | 2026-08-02 02:08:25 |