Universal Licensing System
WDU320
Pacific Bell Telephone Company d/b/a AT&T California
License details
| ULS identifier | 973879 |
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| Call sign | WDU320 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-07-07 |
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| Expiration | 2030-08-01 |
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| Frequency range | 18000 MHz |
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| Locations | 2 |
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| Representative location | MOUNT WILSON, LOS ANGELES, CA |
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| Coordinates | 34.2262222, -118.0666667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 18000.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 18000.00000000 | | 40M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | VIDEO ROAD, MOUNT WILSON, LOS ANGELES, CA | 34.22622222, -118.06666667 | 1739.200 m | LTOWER | 46.000 m structure / 46.600 m overall | N |
| 2 | R | | 34.27786111, -118.07330556 | 1706.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | 1 | T | COMMSCOPE HSX6-180B RF | | V | 48.0000 | 353.9000 | | |
| 2 | 2 | R | COMMSCOPE HSX6-180B RF | | | 48.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | NOC RADIO DESK - 2315 SALEM RD, CONYERS, GA | ROCKDALE | 7706022314 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-26 | WDU320 | LIAUA |
| 2025-09-06 | WDU320 | LIAUA |
| 2024-01-20 | WDU320 | LIAUA |
| 2023-01-14 | WDU320 | LIAUA |
| 2020-07-07 | WDU320 | LIREN |
| 2020-05-11 | WDU320 | LETRES |
| 2018-09-18 | WDU320 | LIAUA |
| 2017-08-19 | WDU320 | LIAUA |
| 2017-04-21 | WDU320 | LIMOD |
| 2015-12-02 | WDU320 | LIMOD |
| 2014-10-21 | WDU320 | LIAUA |
| 2014-10-20 | WDU320 | ESUAPR |
| 2013-12-31 | WDU320 | LIMOD |
| 2013-10-30 | WDU320 | ESUAPR |
| 2013-08-14 | WDU320 | LIAUA |
| 2013-08-14 | WDU320 | ESUAPR |
| 2013-02-12 | WDU320 | LIAUA |
| 2013-02-11 | WDU320 | ESUAPR |
| 2012-11-29 | WDU320 | LIAUA |
| 2012-11-29 | WDU320 | ESCAPR |
| 2012-11-28 | WDU320 | ESUAPR |
| 2012-11-28 | WDU320 | EFUAPR |
| 2011-07-06 | WDU320 | LIMOD |
| 2011-03-24 | WDU320 | AUTHPR |
| 2010-07-13 | WDU320 | LIREN |
| 2010-05-10 | WDU320 | LETRES |
| 2006-04-06 | WDU320 | ESCAPR |
| 2006-04-06 | WDU320 | LIAUA |
| 2006-04-05 | WDU320 | EFUAPR |
| 2006-04-05 | WDU320 | ESUAPR |
| 2006-01-03 | WDU320 | LETCNS |
| 2005-11-30 | WDU320 | AUTHPR |
| 2005-08-15 | WDU320 | LETCNS |
| 2005-02-03 | WDU320 | AUTHPR |
| 2004-08-09 | WDU320 | LETCNS |
| 2003-05-12 | WDU320 | LIMOD |
| 2001-08-22 | WDU320 | LIAUA |
| 2000-12-11 | WDU320 | LIMOD |
| 2000-08-08 | WDU320 | LIREN |
| 2000-05-07 | WDU320 | LETRES |
| 1999-09-02 | WDU320 | LIAUA |
| 1999-08-13 | WDU320 | LICCNV |
| 1999-04-19 | WDU320 | COR |
| 1999-04-16 | WDU320 | COR |
| 1996-12-27 | WDU320 | LIMOD |
| 1992-01-13 | WDU320 | LIMOD |
| 1985-11-07 | WDU320 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973879 | 2026-08-02 02:45:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDU320 | ULS 973879 | 2026-08-02 02:45:15 |
| Status | A | ULS 973879 | 2026-08-02 02:45:15 |
| Service | CF | ULS 973879 | 2026-08-02 02:45:15 |
| Grant Date | 2020-07-07 | ULS 973879 | 2026-08-02 02:45:15 |
| Expiration Date | 2030-08-01 | ULS 973879 | 2026-08-02 02:45:15 |