Universal Licensing System
WPBX274
MCI WorldCom Network Services, Inc.
License details
| ULS identifier | 1879341 |
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| Call sign | WPBX274 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2003-04-02 |
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| Expiration | 2013-03-25 |
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| Cancellation | 2004-08-16 |
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| Frequency range | 451.475 - 456.475 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | MANCHESTER, MENDOCINO, CA |
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| Coordinates | 38.9807500, -123.7069722 |
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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 |
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| 1 | 1 | FB2C | 451.47500000 | | | 85.000000 | 200.000000 | |
| 2 | 1 | MO | 451.47500000 | | | 40.000000 | | |
| 2 | 1 | MO | 456.47500000 | | | 40.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.47500000 | | 20K0F3E |
| 2 | 1 | 451.47500000 | | 20K0F3E |
| 2 | 1 | 456.47500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PT ARENA 45001 KINNEY RD, MANCHESTER, MENDOCINO, CA | 38.98075000, -123.70697222 | 10.000 m | | 15.000 m structure / 15.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 12.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2820 KOVR DR, WEST SACRAMENTO, CA | | 9163734603 |
License history
| Date | File or call sign | Action |
|---|
| 2004-08-17 | WPBX274 | LICAN |
| 2004-04-20 | WPBX274 | LIASS |
| 2003-04-02 | WPBX274 | LIREN |
| 2003-02-12 | WPBX274 | LIAUA |
| 2003-01-15 | WPBX274 | LIAUA |
| 2003-01-14 | WPBX274 | LIAUA |
| 2002-12-30 | WPBX274 | LETRES |
| 2002-07-21 | WPBX274 | LIASS |
| 2002-02-26 | WPBX274 | AUDOPR |
| 2001-03-07 | WPBX274 | LIAUA |
| 2000-11-24 | WPBX274 | LICCNV |
| 2000-01-06 | WPBX274 | AUTHPR |
| 1998-09-14 | WPBX274 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1879341 | 2026-08-02 01:17:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPBX274 | ULS 1879341 | 2026-08-02 01:17:17 |
| Status | C | ULS 1879341 | 2026-08-02 01:17:17 |
| Service | IG | ULS 1879341 | 2026-08-02 01:17:17 |
| Grant Date | 2003-04-02 | ULS 1879341 | 2026-08-02 01:17:17 |
| Expiration Date | 2013-03-25 | ULS 1879341 | 2026-08-02 01:17:17 |
| Cancellation Date | 2004-08-16 | ULS 1879341 | 2026-08-02 01:17:17 |