Universal Licensing System
WLC821
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 988715 |
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| Call sign | WLC821 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1991-04-01 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2000-06-29 |
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| Frequency range | 3730 - 4170 MHz (12 frequencies) |
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| Locations | 3 |
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| Representative location | RATON, COLFAX, NM |
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| Coordinates | 36.9277778, -104.1896944 |
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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 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 |
|---|
| 1 | 2 | FXO | 3730.00000000 | | | | | |
| 1 | 1 | FXO | 3770.00000000 | | | | | |
| 1 | 2 | FXO | 3810.00000000 | | | | | |
| 1 | 1 | FXO | 3850.00000000 | | | | | |
| 1 | 2 | FXO | 3890.00000000 | | | | | |
| 1 | 1 | FXO | 3930.00000000 | | | | | |
| 1 | 2 | FXO | 3970.00000000 | | | | | |
| 1 | 1 | FXO | 4010.00000000 | | | | | |
| 1 | 2 | FXO | 4050.00000000 | | | | | |
| 1 | 1 | FXO | 4090.00000000 | | | | | |
| 1 | 2 | FXO | 4130.00000000 | | | | | |
| 1 | 1 | FXO | 4170.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 3730.00000000 | | 20M0A7W |
| 1 | 1 | 3770.00000000 | | 20M0A7W |
| 1 | 2 | 3810.00000000 | | 20M0A7W |
| 1 | 1 | 3850.00000000 | | 20M0A7W |
| 1 | 2 | 3890.00000000 | | 20M0A7W |
| 1 | 1 | 3930.00000000 | | 20M0A7W |
| 1 | 2 | 3970.00000000 | | 20M0A7W |
| 1 | 1 | 4010.00000000 | | 20M0A7W |
| 1 | 2 | 4050.00000000 | | 20M0A7W |
| 1 | 1 | 4090.00000000 | | 20M0A7W |
| 1 | 2 | 4130.00000000 | | 20M0A7W |
| 1 | 1 | 4170.00000000 | | 20M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 14 MI ENE OF, RATON, COLFAX, NM | 36.92777778, -104.18969444 | 2588.100 m | | 45.100 m overall | |
| 2 | R | | 37.57500000, -104.56163889 | 1979.400 m | | | |
| 3 | R | | 36.17336111, -104.57719444 | 1950.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 41.3000 | 202.6000 | | |
| 1 | 2 | R | | | | 41.3000 | | | |
| 1 | 3 | R | | | | 41.3000 | | | |
| 2 | 1 | T | | | V | 41.3000 | 335.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-06-30 | WLC821 | LICAN |
| 1999-08-13 | WLC821 | LICCNV |
| 1999-02-11 | WLC821 | LITRAN |
| 1991-04-01 | WLC821 | LIREN |
| 1988-08-11 | WLC821 | LIMOD |
| 1988-07-28 | WLC821 | LIMOD |
| 1988-06-23 | WLC821 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 988715 | 2026-08-02 02:45:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLC821 | ULS 988715 | 2026-08-02 02:45:09 |
| Status | C | ULS 988715 | 2026-08-02 02:45:09 |
| Service | CF | ULS 988715 | 2026-08-02 02:45:09 |
| Grant Date | 1991-04-01 | ULS 988715 | 2026-08-02 02:45:09 |
| Expiration Date | 2001-02-01 | ULS 988715 | 2026-08-02 02:45:09 |
| Cancellation Date | 2000-06-29 | ULS 988715 | 2026-08-02 02:45:09 |