Universal Licensing System
KZB31
MOUNT WILSON FM BROADCASTERS, INC.
License details
| ULS identifier | 967582 |
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| Call sign | KZB31 |
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| Radio service | AS |
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| Status | A |
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| Grant date | 1987-11-05 |
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| Expiration | 2029-12-01 |
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| Frequency range | 946.5 MHz |
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| Locations | 1 |
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| Representative location | LOS ANGELES, LOS ANGELES, CA |
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| Coordinates | 34.0494444, -118.4478333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:49 |
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Licensee
| Name | MOUNT WILSON FM BROADCASTERS, INC. |
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| Applicant type | C |
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| Location | LOS ANGELES, CA |
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| Address | 1500 Cotner Avenue, LOS ANGELES, CA, 90025 |
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| Phone | 3104785540 |
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| Email | [email protected] |
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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 | FXO | 946.50000000 | | | | | |
| 1 | 2 | FXO | 946.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 946.50000000 | | 500KF8W |
| 1 | 2 | 946.50000000 | | 500KD7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1500 COTNER AVE., LOS ANGELES, LOS ANGELES, CA | 34.04944444, -118.44783333 | 79.200 m | BPIPE | 23.800 m structure / 23.800 m overall | N |
| 2 | R | | 34.22916667, -118.06866667 | 1713.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Mark Antenna Products P-9A96G | | H | 25.0000 | 60.2000 | | |
| 1 | 2 | R | Mark Antenna Products P-9A96G | | | 25.0000 | | | |
| 2 | 1 | T | Mark Antenna Products P-9A96G | | V | 25.0000 | 60.3000 | | |
| 2 | 2 | R | Mark Antenna Products P-9A96G | | | 25.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1500 Cotner Avenue, Los Angeles, CA | LOS ANGELES | 3104785540 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-15 | KZB31 | PNACT |
| 2021-12-07 | KZB31 | LIREN |
| 2015-04-29 | KZB31 | PNACT |
| 2015-04-22 | KZB31 | AUTHPR |
| 2015-04-21 | KZB31 | LIMOD |
| 2014-01-22 | KZB31 | PNACT |
| 2014-01-15 | KZB31 | AUTHPR |
| 2014-01-14 | KZB31 | LIREN |
| 2010-11-08 | KZB31 | LIMOD |
| 2010-07-02 | KZB31 | LTSAPR |
| 2010-07-01 | KZB31 | ESUAPR |
| 2010-07-01 | KZB31 | EFUAPR |
| 2005-12-28 | KZB31 | PNACT |
| 2005-12-20 | KZB31 | AUTHPR |
| 2005-12-19 | KZB31 | LIREN |
| 2004-11-08 | KZB31 | LIMOD |
| 2004-07-22 | KZB31 | ESUAPR |
| 2004-07-21 | KZB31 | PNACT |
| 2004-07-15 | KZB31 | AUTHPR |
| 2004-07-14 | KZB31 | LIMOD |
| 2004-03-19 | KZB31 | LTSAPR |
| 2004-03-19 | KZB31 | LIMOD |
| 2004-02-10 | KZB31 | AUTHPR |
| 2003-01-29 | KZB31 | PNACT |
| 2003-01-22 | KZB31 | AUTHPR |
| 2003-01-21 | KZB31 | LIMOD |
| 1999-08-13 | KZB31 | LICCNV |
| 1998-09-18 | KZB31 | COR |
| 1997-12-17 | KZB31 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 967582 | 2026-08-02 02:47:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KZB31 | ULS 967582 | 2026-08-02 02:47:49 |
| Status | A | ULS 967582 | 2026-08-02 02:47:49 |
| Service | AS | ULS 967582 | 2026-08-02 02:47:49 |
| Grant Date | 1987-11-05 | ULS 967582 | 2026-08-02 02:47:49 |
| Expiration Date | 2029-12-01 | ULS 967582 | 2026-08-02 02:47:49 |