Universal Licensing System
WPY57
MCI WORLDCOM NETWORK SERVICES, INC
License details
| ULS identifier | 1051613 |
|---|
| Call sign | WPY57 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-02-21 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2002-04-18 |
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| Frequency range | 3750 - 4170 MHz (12 frequencies) |
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| Locations | 3 |
|---|
| Representative location | AFTON, DICKENS, TX |
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| Coordinates | 33.7478333, -100.6870556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:09 |
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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 | 2270 LAKESIDE BLVD 2865/642, RICHARDSON, TX, 75082 |
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| Phone | 9726565287 |
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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 | FXO | 3750.00000000 | | | | | |
| 1 | 2 | FXO | 3750.00000000 | | | | | |
| 1 | 3 | FXO | 3770.00000000 | | | | | |
| 1 | 4 | FXO | 3770.00000000 | | | | | |
| 1 | 1 | FXO | 3830.00000000 | | | | | |
| 1 | 2 | FXO | 3830.00000000 | | | | | |
| 1 | 3 | FXO | 3850.00000000 | | | | | |
| 1 | 4 | FXO | 3850.00000000 | | | | | |
| 1 | 1 | FXO | 3910.00000000 | | | | | |
| 1 | 2 | FXO | 3910.00000000 | | | | | |
| 1 | 3 | FXO | 3930.00000000 | | | | | |
| 1 | 4 | FXO | 3930.00000000 | | | | | |
| 1 | 1 | FXO | 3990.00000000 | | | | | |
| 1 | 2 | FXO | 3990.00000000 | | | | | |
| 1 | 3 | FXO | 4010.00000000 | | | | | |
| 1 | 4 | FXO | 4010.00000000 | | | | | |
| 1 | 1 | FXO | 4070.00000000 | | | | | |
| 1 | 2 | FXO | 4070.00000000 | | | | | |
| 1 | 3 | FXO | 4090.00000000 | | | | | |
| 1 | 4 | FXO | 4090.00000000 | | | | | |
| 1 | 1 | FXO | 4150.00000000 | | | | | |
| 1 | 2 | FXO | 4150.00000000 | | | | | |
| 1 | 3 | FXO | 4170.00000000 | | | | | |
| 1 | 4 | FXO | 4170.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3750.00000000 | | 20M0F7W |
| 1 | 2 | 3750.00000000 | | 20M0F7W |
| 1 | 3 | 3770.00000000 | | 20M0F7W |
| 1 | 4 | 3770.00000000 | | 20M0F7W |
| 1 | 1 | 3830.00000000 | | 20M0F7W |
| 1 | 2 | 3830.00000000 | | 20M0F7W |
| 1 | 3 | 3850.00000000 | | 20M0F7W |
| 1 | 4 | 3850.00000000 | | 20M0F7W |
| 1 | 1 | 3910.00000000 | | 20M0F7W |
| 1 | 2 | 3910.00000000 | | 20M0F7W |
| 1 | 3 | 3930.00000000 | | 20M0F7W |
| 1 | 4 | 3930.00000000 | | 20M0F7W |
| 1 | 1 | 3990.00000000 | | 20M0F7W |
| 1 | 2 | 3990.00000000 | | 20M0F7W |
| 1 | 3 | 4010.00000000 | | 20M0F7W |
| 1 | 4 | 4010.00000000 | | 20M0F7W |
| 1 | 1 | 4070.00000000 | | 20M0F7W |
| 1 | 2 | 4070.00000000 | | 20M0F7W |
| 1 | 3 | 4090.00000000 | | 20M0F7W |
| 1 | 4 | 4090.00000000 | | 20M0F7W |
| 1 | 1 | 4150.00000000 | | 20M0F7W |
| 1 | 2 | 4150.00000000 | | 20M0F7W |
| 1 | 3 | 4170.00000000 | | 20M0F7W |
| 1 | 4 | 4170.00000000 | | 20M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7.2 MILES EAST OF, AFTON, DICKENS, TX | 33.74783333, -100.68705556 | 786.700 m | | 68.900 m overall | |
| 2 | R | | 33.46313889, -100.30591667 | 606.600 m | | | |
| 3 | R | | 34.03755556, -101.07763889 | 945.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 41.3000 | 131.7000 | | |
| 1 | 2 | R | | | | 41.3000 | | | |
| 1 | 3 | R | | | | 41.3000 | | | |
| 2 | 1 | T | | | V | 41.3000 | 311.8000 | | |
| 2 | 2 | R | | | | 41.3000 | | | |
| 2 | 3 | R | | | | 41.3000 | | | |
| 3 | 1 | T | | | H | 41.3000 | 131.7000 | | |
| 4 | 1 | T | | | H | 41.3000 | 311.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-04-19 | WPY57 | LICAN |
| 2001-03-07 | WPY57 | LIAUA |
| 2001-02-21 | WPY57 | LIREN |
| 2000-11-13 | WPY57 | LETRES |
| 1999-08-14 | WPY57 | LICCNV |
| 1999-02-11 | WPY57 | LITRAN |
| 1991-04-01 | WPY57 | LIREN |
| 1987-02-26 | WPY57 | LIMOD |
| 1986-10-23 | WPY57 | LIMOD |
| 1986-05-08 | WPY57 | LIMOD |
| 1984-11-09 | WPY57 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1051613 | 2026-08-02 02:45:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPY57 | ULS 1051613 | 2026-08-02 02:45:09 |
| Status | C | ULS 1051613 | 2026-08-02 02:45:09 |
| Service | CF | ULS 1051613 | 2026-08-02 02:45:09 |
| Grant Date | 2001-02-21 | ULS 1051613 | 2026-08-02 02:45:09 |
| Expiration Date | 2011-02-01 | ULS 1051613 | 2026-08-02 02:45:09 |
| Cancellation Date | 2002-04-18 | ULS 1051613 | 2026-08-02 02:45:09 |