Universal Licensing System
WPML471
L A AUDIO INC DBA EXPO COMMUNICATIONS
License details
| ULS identifier | 1796558 |
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| Call sign | WPML471 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-06-25 |
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| Expiration | 2023-09-03 |
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| Cancellation | 2023-11-04 |
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| Frequency range | 451.45 - 457.5 MHz (8 frequencies) |
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| Locations | 2 |
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| Representative location | LA CRESCENTA, LOS ANGELES, CA |
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| Coordinates | 34.2722222, -118.2400833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 451.45000000 | | | 65.000000 | 13.000000 | |
| 2 | 1 | MO6 | 452.05000000 | | | 65.000000 | 30.000000 | |
| 2 | 1 | MO6 | 452.20000000 | | | 65.000000 | 30.000000 | |
| 2 | 1 | MO6 | 452.50000000 | | | 65.000000 | 30.000000 | |
| 2 | 1 | MO | 456.45000000 | | | 65.000000 | 30.000000 | |
| 2 | 1 | MO6 | 457.05000000 | | | 65.000000 | 30.000000 | |
| 2 | 1 | MO6 | 457.20000000 | | | 65.000000 | 30.000000 | |
| 2 | 1 | MO6 | 457.50000000 | | | 65.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.45000000 | | 11K2F3E |
| 2 | 1 | 452.05000000 | | 11K2F3E |
| 2 | 1 | 452.20000000 | | 11K2F3E |
| 2 | 1 | 452.50000000 | | 11K2F3E |
| 2 | 1 | 456.45000000 | | 11K2F3E |
| 2 | 1 | 457.05000000 | | 11K2F3E |
| 2 | 1 | 457.20000000 | | 11K2F3E |
| 2 | 1 | 457.50000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT LUKENS, LA CRESCENTA, LOS ANGELES, CA | 34.27222222, -118.24008333 | 1541.000 m | B | 28.000 m structure / 34.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | 772.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | 9001 CANOGA AVE, CANOGA PARK, CA | LOS ANGELES | 8187729200 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-04 | WPML471 | LIEXP |
| 2023-06-12 | WPML471 | LETRES |
| 2013-06-25 | WPML471 | LIREN |
| 2013-06-24 | WPML471 | ESUFRN |
| 2013-06-10 | WPML471 | LETRES |
| 2004-05-18 | WPML471 | LIAUA |
| 2004-05-18 | WPML471 | ESUAPR |
| 2003-08-28 | WPML471 | LIREN |
| 2003-06-09 | WPML471 | LETRES |
| 2001-10-05 | WPML471 | AUDOPR |
| 2000-11-23 | WPML471 | LICCNV |
| 1998-09-03 | WPML471 | LIISS |
| 1998-09-03 | WPML471 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1796558 | 2026-08-02 01:16:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPML471 | ULS 1796558 | 2026-08-02 01:16:32 |
| Status | E | ULS 1796558 | 2026-08-02 01:16:32 |
| Service | IG | ULS 1796558 | 2026-08-02 01:16:32 |
| Grant Date | 2013-06-25 | ULS 1796558 | 2026-08-02 01:16:32 |
| Expiration Date | 2023-09-03 | ULS 1796558 | 2026-08-02 01:16:32 |
| Cancellation Date | 2023-11-04 | ULS 1796558 | 2026-08-02 01:16:32 |