Universal Licensing System
WHO23
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 983305 |
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| Call sign | WHO23 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1987-06-28 |
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| Expiration | 2000-03-01 |
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| Cancellation | 2000-06-04 |
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| Frequency range | 5974.8 - 11625 MHz (10 frequencies) |
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| Locations | 3 |
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| Representative location | MINNEAPOLIS, HENNEPIN, MN |
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| Coordinates | 44.9743889, -93.2713333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:52 |
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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 | 2 | FXO | 5974.80000000 | | | | | |
| 1 | 3 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6034.20000000 | | | | | |
| 1 | 3 | FXO | 6063.80000000 | | | | | |
| 1 | 2 | FXO | 6152.80000000 | | | | | |
| 1 | 1 | FXO | 11305.00000000 | | | | | |
| 1 | 1 | FXO | 11385.00000000 | | | | | |
| 1 | 1 | FXO | 11465.00000000 | | | | | |
| 1 | 1 | FXO | 11545.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MINNEAPOLIS, HENNEPIN, MN | 44.97438889, -93.27133333 | 259.100 m | | 129.800 m overall | |
| 2 | R | | 44.84855556, -93.59161111 | 289.600 m | | | |
| 3 | R | | 44.85938889, -93.32188889 | 259.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 197.4000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | V | | 241.2000 | | |
| 2 | 2 | R | | | | | | | |
| 3 | 1 | T | | | H | | 241.2000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-06-04 | WHO23 | LIEXP |
| 1999-12-04 | WHO23 | LETRES |
| 1999-08-13 | WHO23 | LICCNV |
| 1999-08-03 | WHO23 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 983305 | 2026-08-02 02:47:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WHO23 | ULS 983305 | 2026-08-02 02:47:52 |
| Status | E | ULS 983305 | 2026-08-02 02:47:52 |
| Service | CF | ULS 983305 | 2026-08-02 02:47:52 |
| Grant Date | 1987-06-28 | ULS 983305 | 2026-08-02 02:47:52 |
| Expiration Date | 2000-03-01 | ULS 983305 | 2026-08-02 02:47:52 |
| Cancellation Date | 2000-06-04 | ULS 983305 | 2026-08-02 02:47:52 |