Universal Licensing System
WNTA257
MOUNT SAN ANTONIO COMMUNITY COLLEGE
License details
| ULS identifier | 1018677 |
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| Call sign | WNTA257 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 1999-10-22 |
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| Expiration | 2009-10-13 |
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| Cancellation | 2009-12-19 |
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| Frequency range | 21825 MHz |
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| Locations | 2 |
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| Representative location | WALNUT, LOS ANGELES, CA |
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| Coordinates | 34.0466667, -117.8475556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:57 |
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Licensee
| Name | MOUNT SAN ANTONIO COMMUNITY COLLEGE |
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| Applicant type | G |
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| FRN | 0001526359 |
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| Location | WALNUT, CA |
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| Address | 1100 NORTH GRAND AVENUE, WALNUT, CA, 91789 |
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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 | 21825.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 21825.00000000 | | 25M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | COLLEGE LIBRARY, WALNUT, LOS ANGELES, CA | 34.04666667, -117.84755556 | 228.600 m | | 14.000 m structure / 14.000 m overall | |
| 2 | R | | 34.04805556, -117.84338889 | 234.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 33.0000 | 68.2000 | | |
| 1 | 2 | R | | | | 33.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2009-12-19 | WNTA257 | LIEXP |
| 2009-07-20 | WNTA257 | LETRES |
| 1999-10-22 | WNTA257 | LIREN |
| 1999-09-04 | WNTA257 | LETREG |
| 1999-08-14 | WNTA257 | LICCNV |
| 1994-10-13 | WNTA257 | LIMOD |
| 1994-09-02 | WNTA257 | LIMOD |
| 1989-09-11 | WNTA257 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1018677 | 2026-08-02 02:42:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTA257 | ULS 1018677 | 2026-08-02 02:42:57 |
| Status | E | ULS 1018677 | 2026-08-02 02:42:57 |
| Service | MG | ULS 1018677 | 2026-08-02 02:42:57 |
| Grant Date | 1999-10-22 | ULS 1018677 | 2026-08-02 02:42:57 |
| Expiration Date | 2009-10-13 | ULS 1018677 | 2026-08-02 02:42:57 |
| Cancellation Date | 2009-12-19 | ULS 1018677 | 2026-08-02 02:42:57 |