Universal Licensing System
WPIS939
MCI WorldCom Network Services, Inc.
License details
| ULS identifier | 1879519 |
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| Call sign | WPIS939 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2000-11-07 |
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| Expiration | 2005-10-24 |
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| Cancellation | 2005-05-26 |
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| Frequency range | 451.325 - 456.325 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | PEARBLOSSOM, LOS ANGELES, CA |
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| Coordinates | 34.4847222, -117.9120000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:17 |
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Licensee
| Name | MCI WorldCom Network Services, Inc. |
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| Applicant type | C |
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| Location | Richardson, TX |
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| Address | 2400 North Glenville, Richardson, TX, 75082 |
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| Phone | 9727296406 |
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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 |
|---|
| 1 | 1 | FB2C | 451.32500000 | | | 110.000000 | 408.000000 | |
| 2 | 1 | FB2C | 451.32500000 | | | 110.000000 | 408.000000 | |
| 3 | 1 | MO | 451.32500000 | | | 40.000000 | | |
| 4 | 1 | MO | 451.32500000 | | | 40.000000 | | |
| 3 | 1 | MO | 456.32500000 | | | 40.000000 | | |
| 4 | 1 | MO | 456.32500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.32500000 | | 20K0F3E |
| 2 | 1 | 451.32500000 | | 20K0F3E |
| 3 | 1 | 451.32500000 | | 20K0F3E |
| 4 | 1 | 451.32500000 | | 20K0F3E |
| 3 | 1 | 456.32500000 | | 20K0F3E |
| 4 | 1 | 456.32500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 16 MI SE PALMDALE, PEARBLOSSOM, LOS ANGELES, CA | 34.48472222, -117.91200000 | 1057.000 m | POLE | 16.000 m structure | N |
| 2 | T | 19.6 MI N PALMDALE, WILLOW SPRINGS, KERN, CA | 34.69247222, -118.39147222 | 904.000 m | POLE | 16.000 m structure | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 22.000 m | | | | -91.000 | |
| 1 | 2 | T | | 22.000 m | | | | -26.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 157 S LILAC, RIALTO, CA | | 7144215033 |
License history
| Date | File or call sign | Action |
|---|
| 2005-05-27 | WPIS939 | LICAN |
| 2005-05-02 | WPIS939 | ESCAPR |
| 2005-03-11 | WPIS939 | ESUAPR |
| 2004-04-20 | WPIS939 | LIASS |
| 2003-02-12 | WPIS939 | LIAUA |
| 2003-01-15 | WPIS939 | LIAUA |
| 2003-01-14 | WPIS939 | LIAUA |
| 2002-07-21 | WPIS939 | LIASS |
| 2002-02-26 | WPIS939 | AUDOPR |
| 2001-03-07 | WPIS939 | LIAUA |
| 2000-11-24 | WPIS939 | LICCNV |
| 2000-11-07 | WPIS939 | AUTHPR |
| 2000-11-07 | WPIS939 | LIREN |
| 2000-07-24 | WPIS939 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1879519 | 2026-08-02 01:17:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPIS939 | ULS 1879519 | 2026-08-02 01:17:17 |
| Status | C | ULS 1879519 | 2026-08-02 01:17:17 |
| Service | IG | ULS 1879519 | 2026-08-02 01:17:17 |
| Grant Date | 2000-11-07 | ULS 1879519 | 2026-08-02 01:17:17 |
| Expiration Date | 2005-10-24 | ULS 1879519 | 2026-08-02 01:17:17 |
| Cancellation Date | 2005-05-26 | ULS 1879519 | 2026-08-02 01:17:17 |