Universal Licensing System
KOS357
AMFM BROADCASTING LICENSES, LLC
License details
| ULS identifier | 1117893 |
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| Call sign | KOS357 |
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| Radio service | RP |
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| Status | C |
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| Grant date | 1992-01-16 |
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| Expiration | 2013-12-01 |
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| Cancellation | 2011-07-21 |
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| Frequency range | 450.01 MHz |
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| Locations | 1 |
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| Representative location | MOUNT WILSON, LOS ANGELES, CA |
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| Coordinates | 34.2255556, -118.0653333 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-02 00:37:40 |
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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 | FB | 450.01000000 | | | 4.000000 | 32.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 450.01000000 | | 10K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | KNBC-TV CHANNEL 4, MOUNT WILSON, LOS ANGELES, CA | 34.22555556, -118.06533333 | 1731.000 m | | 3.000 m structure / 3.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 3.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2011-07-22 | KOS357 | LICAN |
| 2009-08-26 | KOS357 | LIAUA |
| 2009-08-25 | KOS357 | ESCAPR |
| 2006-02-04 | KOS357 | LTSFRN |
| 2005-12-28 | KOS357 | PNACT |
| 2005-12-19 | KOS357 | AUTHPR |
| 2005-12-19 | KOS357 | LIREN |
| 2005-01-19 | KOS357 | PNACT |
| 2005-01-12 | KOS357 | AUTHPR |
| 2005-01-12 | KOS357 | LIMOD |
| 2004-12-29 | KOS357 | PNACT |
| 2004-12-20 | KOS357 | AUTHPR |
| 2004-12-20 | KOS357 | LIMOD |
| 2004-04-14 | KOS357 | PNACT |
| 2004-04-06 | KOS357 | AUTHPR |
| 2004-04-06 | KOS357 | LIMOD |
| 2003-12-10 | KOS357 | PNACT |
| 2003-12-02 | KOS357 | AUTHPR |
| 2003-12-02 | KOS357 | LIMOD |
| 2003-02-07 | KOS357 | AUTHPR |
| 2003-01-29 | KOS357 | PNACT |
| 2003-01-22 | KOS357 | AUTHPR |
| 2003-01-21 | KOS357 | LIMOD |
| 2002-09-09 | KOS357 | COR |
| 2001-10-19 | KOS357 | AUTHPR |
| 2001-10-18 | KOS357 | COR |
| 2001-10-18 | KOS357 | INTDUP |
| 2000-09-15 | KOS357 | LICCNV |
| 1998-12-03 | KOS357 | AUTHPR |
| 1992-01-16 | KOS357 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1117893 | 2026-08-02 00:37:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KOS357 | ULS 1117893 | 2026-08-02 00:37:40 |
| Status | C | ULS 1117893 | 2026-08-02 00:37:40 |
| Service | RP | ULS 1117893 | 2026-08-02 00:37:40 |
| Grant Date | 1992-01-16 | ULS 1117893 | 2026-08-02 00:37:40 |
| Expiration Date | 2013-12-01 | ULS 1117893 | 2026-08-02 00:37:40 |
| Cancellation Date | 2011-07-21 | ULS 1117893 | 2026-08-02 00:37:40 |