Universal Licensing System
WLB998
MCI WORLDCOM NETWORK SERVICES INC
License details
| ULS identifier | 988195 |
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| Call sign | WLB998 |
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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 | 1997-10-29 |
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| Frequency range | 6197.2 - 6286.2 MHz (8 frequencies) |
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| Locations | 1 |
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| Coordinates | 35.0483889, -85.3121667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-09-14 17:06:50 |
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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 | 1 | FXO | 6197.20000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6226.90000000 | | | | | |
| 1 | 1 | FXO | 6256.50000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 2 | FXO | 6286.19000000 | | | | | |
| 1 | 2 | FXO | 6286.20000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GA | 34.97061111, -85.08605556 | 412.100 m | | 36.600 m overall | |
| 2 | R | | 34.79755556, -84.89741667 | 243.800 m | | | |
| 3 | R | | 35.04838889, -85.31216667 | 207.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | | 138.0000 | | |
| 1 | 2 | R | | | | | | | |
| 1 | 3 | R | | | | | | | |
| 2 | 1 | T | | | H | | 292.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WLB998 | LICCNV |
| 1997-10-29 | WLB998 | LICAN |
| 1991-04-01 | WLB998 | LIREN |
| 1985-09-26 | WLB998 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 988195 | 2026-08-31 20:51:05 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Applicant Name | MCI WORLDCOM NETWORK SERVICES INC | ULS 988195 | 2026-08-31 21:04:29 |
| Call Sign | WLB998 | ULS 988195 | 2026-08-31 21:04:29 |
| Cancellation Date | 1997-10-29 | ULS 988195 | 2026-08-31 21:04:29 |
| Description | 9121375 | ULS 988195 | 2026-08-31 21:04:29 |
| Expiration Date | 2001-02-01 | ULS 988195 | 2026-08-31 21:04:29 |
| Filed Date | 1991-04-01 | ULS 988195 | 2026-08-31 21:04:29 |
| Grant Date | 1991-04-01 | ULS 988195 | 2026-08-31 21:04:29 |
| Service | CF | ULS 988195 | 2026-08-31 21:04:29 |
| Source Archive | l_micro.zip | ULS 988195 | 2026-08-31 21:04:29 |
| Status | C | ULS 988195 | 2026-08-31 21:04:29 |