Universal Licensing System
WLB579
MCI Communications Services, Inc.
License details
| ULS identifier | 987892 |
|---|
| Call sign | WLB579 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-23 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2007-02-15 |
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| Frequency range | 3730 - 4130 MHz (10 frequencies) |
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| Locations | 3 |
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| Representative location | STEWARTVILLE, COOSA, AL |
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| Coordinates | 33.0431667, -86.2530278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:05 |
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Licensee
| Name | MCI Communications Services, Inc. |
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| Applicant type | C |
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| Location | Richardson, TX |
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| Address | 2400 N. Glenville Drive, Dept/Loc 71216/107, Richardson, TX, 75082 |
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| Phone | 9727296406 |
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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 | 3730.00000000 | | | | | |
| 1 | 2 | FXO | 3730.00000000 | | | | | |
| 1 | 3 | FXO | 3750.00000000 | | | | | |
| 1 | 4 | FXO | 3750.00000000 | | | | | |
| 1 | 1 | FXO | 3810.00000000 | | | | | |
| 1 | 2 | FXO | 3810.00000000 | | | | | |
| 1 | 3 | FXO | 3830.00000000 | | | | | |
| 1 | 4 | FXO | 3830.00000000 | | | | | |
| 1 | 1 | FXO | 3890.00000000 | | | | | |
| 1 | 2 | FXO | 3890.00000000 | | | | | |
| 1 | 3 | FXO | 3910.00000000 | | | | | |
| 1 | 4 | FXO | 3910.00000000 | | | | | |
| 1 | 1 | FXO | 3970.00000000 | | | | | |
| 1 | 2 | FXO | 3970.00000000 | | | | | |
| 1 | 3 | FXO | 3990.00000000 | | | | | |
| 1 | 4 | FXO | 3990.00000000 | | | | | |
| 1 | 1 | FXO | 4050.00000000 | | | | | |
| 1 | 2 | FXO | 4050.00000000 | | | | | |
| 1 | 1 | FXO | 4130.00000000 | | | | | |
| 1 | 2 | FXO | 4130.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3730.00000000 | | 20M0F7W |
| 1 | 2 | 3730.00000000 | | 20M0F7W |
| 1 | 3 | 3750.00000000 | | 20M0F7W |
| 1 | 4 | 3750.00000000 | | 20M0F7W |
| 1 | 1 | 3810.00000000 | | 20M0F7W |
| 1 | 2 | 3810.00000000 | | 20M0F7W |
| 1 | 3 | 3830.00000000 | | 20M0F7W |
| 1 | 4 | 3830.00000000 | | 20M0F7W |
| 1 | 1 | 3890.00000000 | | 20M0F7W |
| 1 | 2 | 3890.00000000 | | 20M0F7W |
| 1 | 3 | 3910.00000000 | | 20M0F7W |
| 1 | 4 | 3910.00000000 | | 20M0F7W |
| 1 | 1 | 3970.00000000 | | 20M0F7W |
| 1 | 2 | 3970.00000000 | | 20M0F7W |
| 1 | 3 | 3990.00000000 | | 20M0F7W |
| 1 | 4 | 3990.00000000 | | 20M0F7W |
| 1 | 1 | 4050.00000000 | | 20M0F7W |
| 1 | 2 | 4050.00000000 | | 20M0F7W |
| 1 | 1 | 4130.00000000 | | 20M0F7W |
| 1 | 2 | 4130.00000000 | | 20M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2.2 MILES SSW OF, STEWARTVILLE, COOSA, AL | 33.04316667, -86.25302778 | 320.300 m | TOWER | 97.500 m structure / 100.000 m overall | N |
| 2 | R | | 32.72844444, -86.10855556 | 211.200 m | | | |
| 3 | R | | 33.45452778, -86.33997222 | 220.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 41.3000 | 158.8000 | | |
| 1 | 2 | R | | | | 41.3000 | | | |
| 1 | 3 | R | | | | 41.3000 | | | |
| 2 | 1 | T | | | H | 41.3000 | 350.0000 | | |
| 2 | 2 | R | | | | 41.3000 | | | |
| 2 | 3 | R | | | | 41.3000 | | | |
| 3 | 1 | T | | | V | 41.3000 | 158.8000 | | |
| 4 | 1 | T | | | V | 41.3000 | 350.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2007-02-16 | WLB579 | LICAN |
| 2006-02-02 | WLB579 | LIASS |
| 2006-01-06 | WLB579 | LITRAN |
| 2005-09-26 | WLB579 | LIMOD |
| 2005-07-18 | WLB579 | ESUAPR |
| 2005-06-08 | WLB579 | LIAUA |
| 2005-06-07 | WLB579 | ESUAPR |
| 2005-05-02 | WLB579 | ESCAPR |
| 2005-03-11 | WLB579 | ESUAPR |
| 2004-04-20 | WLB579 | LIASS |
| 2003-02-12 | WLB579 | LIAUA |
| 2003-01-15 | WLB579 | LIAUA |
| 2003-01-14 | WLB579 | LIAUA |
| 2002-07-21 | WLB579 | LIASS |
| 2001-03-07 | WLB579 | LIAUA |
| 2001-01-23 | WLB579 | LIREN |
| 2000-11-13 | WLB579 | LETRES |
| 1999-08-13 | WLB579 | LICCNV |
| 1999-02-11 | WLB579 | LITRAN |
| 1991-04-01 | WLB579 | LIREN |
| 1986-05-26 | WLB579 | LIMOD |
| 1986-03-10 | WLB579 | LIMOD |
| 1986-01-30 | WLB579 | LIMOD |
| 1985-05-16 | WLB579 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 987892 | 2026-08-02 02:46:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLB579 | ULS 987892 | 2026-08-02 02:46:05 |
| Status | C | ULS 987892 | 2026-08-02 02:46:05 |
| Service | CF | ULS 987892 | 2026-08-02 02:46:05 |
| Grant Date | 2001-01-23 | ULS 987892 | 2026-08-02 02:46:05 |
| Expiration Date | 2011-02-01 | ULS 987892 | 2026-08-02 02:46:05 |
| Cancellation Date | 2007-02-15 | ULS 987892 | 2026-08-02 02:46:05 |