Universal Licensing System
KOS4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1968708 |
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| Call sign | KOS4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2017-07-07 |
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| Expiration | 2027-06-04 |
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| Frequency range | 131.2 MHz |
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| Locations | 1 |
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| Representative location | SPOKANE, SPOKANE, WA |
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| Coordinates | 47.6236944, -117.5406944 |
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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 | 131.20000000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.20000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SPOKANE INTERNATIONAL AIRPORT, SPOKANE, SPOKANE, WA | 47.62369444, -117.54069444 | 726.900 m | BANT | 13.100 m structure / 15.200 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.200 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-12-30 | KOS4 | LIMOD |
| 2017-07-07 | KOS4 | LIREN |
| 2017-03-13 | KOS4 | LETRES |
| 2015-02-06 | KOS4 | LIAUA |
| 2015-02-05 | KOS4 | ESUAPR |
| 2015-02-05 | KOS4 | LIAUA |
| 2015-02-04 | KOS4 | ESUAPR |
| 2007-06-05 | KOS4 | LIREN |
| 2007-03-13 | KOS4 | LETRES |
| 2007-03-01 | KOS4 | AUTHPR |
| 2006-03-07 | KOS4 | AUTHPR |
| 2006-01-01 | KOS4 | LIASS |
| 2005-07-25 | KOS4 | ESCAPR |
| 2002-04-23 | KOS4 | LIREN |
| 2002-03-11 | KOS4 | LETRES |
| 2001-04-27 | KOS4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1968708 | 2026-08-02 02:08:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KOS4 | ULS 1968708 | 2026-08-02 02:08:25 |
| Status | A | ULS 1968708 | 2026-08-02 02:08:25 |
| Service | AF | ULS 1968708 | 2026-08-02 02:08:25 |
| Grant Date | 2017-07-07 | ULS 1968708 | 2026-08-02 02:08:25 |
| Expiration Date | 2027-06-04 | ULS 1968708 | 2026-08-02 02:08:25 |