Universal Licensing System
WMR311
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 1005142 |
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| Call sign | WMR311 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1994-03-17 |
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| Expiration | 2001-02-01 |
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| Cancellation | 1999-02-16 |
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| Frequency range | 6197.24 - 6256.54 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | FOWLER, MARICOPA, AZ |
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| Coordinates | 33.4508611, -112.2073611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:12 |
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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 DR, RICHARDSON, TX, 75082 |
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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 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6197.24000000 | | 25M0F8W |
| 1 | 1 | 6256.54000000 | | 25M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 69TH & VAN BUREN, FOWLER, MARICOPA, AZ | 33.45086111, -112.20736111 | 317.000 m | | 80.800 m overall | |
| 2 | R | | 33.33252778, -112.06541667 | 797.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 43.2000 | 134.8000 | | |
| 1 | 2 | R | | | | 38.9000 | | | |
License history
| Date | File or call sign | Action |
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| 1999-08-14 | WMR311 | LICCNV |
| 1999-02-16 | WMR311 | LICAN |
| 1999-02-11 | WMR311 | LITRAN |
| 1994-03-17 | WMR311 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1005142 | 2026-08-02 02:45:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WMR311 | ULS 1005142 | 2026-08-02 02:45:12 |
| Status | C | ULS 1005142 | 2026-08-02 02:45:12 |
| Service | CF | ULS 1005142 | 2026-08-02 02:45:12 |
| Grant Date | 1994-03-17 | ULS 1005142 | 2026-08-02 02:45:12 |
| Expiration Date | 2001-02-01 | ULS 1005142 | 2026-08-02 02:45:12 |
| Cancellation Date | 1999-02-16 | ULS 1005142 | 2026-08-02 02:45:12 |