Universal Licensing System
WCU531
MCI WorldCom Network Services, Inc. (debtor-in-possession)
License details
| ULS identifier | 973026 |
|---|
| Call sign | WCU531 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2000-12-19 |
|---|
| Expiration | 2010-12-30 |
|---|
| Cancellation | 2004-05-10 |
|---|
| Frequency range | 4130 MHz |
|---|
| Locations | 4 |
|---|
| Representative location | MARYLAND HEIGHTS, ST. LOUIS, MO |
|---|
| Coordinates | 38.7130833, -90.4226111 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:59 |
|---|
Licensee
| Name | MCI WorldCom Network Services, Inc. (debtor-in-possession) |
|---|
| Applicant type | C |
|---|
| Location | RICHARDSON, TX |
|---|
| Address | 2400 NORTH GLENVILLE 42955/107, RICHARDSON, TX, 75082 |
|---|
| 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 | 3710.00000000 | | | | | |
| 1 | 2 | FXO | 3710.00000000 | | | | | |
| 1 | 4 | FXO | 3730.00000000 | | | | | |
| 1 | 5 | FXO | 3730.00000000 | | | | | |
| 1 | 1 | FXO | 3790.00000000 | | | | | |
| 1 | 2 | FXO | 3790.00000000 | | | | | |
| 1 | 4 | FXO | 3810.00000000 | | | | | |
| 1 | 5 | FXO | 3810.00000000 | | | | | |
| 1 | 1 | FXO | 3870.00000000 | | | | | |
| 1 | 2 | FXO | 3870.00000000 | | | | | |
| 1 | 4 | FXO | 3890.00000000 | | | | | |
| 1 | 5 | FXO | 3890.00000000 | | | | | |
| 1 | 1 | FXO | 3950.00000000 | | | | | |
| 1 | 2 | FXO | 3950.00000000 | | | | | |
| 1 | 4 | FXO | 3970.00000000 | | | | | |
| 1 | 5 | FXO | 3970.00000000 | | | | | |
| 1 | 1 | FXO | 4030.00000000 | | | | | |
| 1 | 2 | FXO | 4030.00000000 | | | | | |
| 1 | 4 | FXO | 4050.00000000 | | | | | |
| 1 | 5 | FXO | 4050.00000000 | | | | | |
| 1 | 1 | FXO | 4110.00000000 | | | | | |
| 1 | 2 | FXO | 4110.00000000 | | | | | |
| 1 | 4 | FXO | 4130.00000000 | | | | | |
| 1 | 5 | FXO | 4130.00000000 | | | | | |
| 1 | 3 | FXO | 17760.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3710.00000000 | | 20M0F7W |
| 1 | 2 | 3710.00000000 | | 20M0F7W |
| 1 | 4 | 3730.00000000 | | 20M0F7W |
| 1 | 5 | 3730.00000000 | | 20M0F7W |
| 1 | 1 | 3790.00000000 | | 20M0F7W |
| 1 | 2 | 3790.00000000 | | 20M0F7W |
| 1 | 4 | 3810.00000000 | | 20M0F7W |
| 1 | 5 | 3810.00000000 | | 20M0F7W |
| 1 | 1 | 3870.00000000 | | 20M0F7W |
| 1 | 2 | 3870.00000000 | | 20M0F7W |
| 1 | 4 | 3890.00000000 | | 20M0F7W |
| 1 | 5 | 3890.00000000 | | 20M0F7W |
| 1 | 1 | 3950.00000000 | | 20M0F7W |
| 1 | 2 | 3950.00000000 | | 20M0F7W |
| 1 | 4 | 3970.00000000 | | 20M0F7W |
| 1 | 5 | 3970.00000000 | | 20M0F7W |
| 1 | 1 | 4030.00000000 | | 20M0F7W |
| 1 | 2 | 4030.00000000 | | 20M0F7W |
| 1 | 4 | 4050.00000000 | | 20M0F7W |
| 1 | 5 | 4050.00000000 | | 20M0F7W |
| 1 | 1 | 4110.00000000 | | 20M0F7W |
| 1 | 2 | 4110.00000000 | | 20M0F7W |
| 1 | 4 | 4130.00000000 | | 20M0F7W |
| 1 | 5 | 4130.00000000 | | 20M0F7W |
| 1 | 3 | 17760.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11492B DORSETT RD, MARYLAND HEIGHTS, ST. LOUIS, MO | 38.71308333, -90.42261111 | 182.900 m | | 87.500 m overall | |
| 2 | R | | 39.04252778, -90.05813889 | 187.800 m | | | |
| 3 | R | | 38.43725000, -90.47816667 | 252.700 m | | | |
| 4 | R | | 38.66919444, -90.43372222 | 198.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 39.8000 | 40.7000 | | |
| 1 | 2 | R | | | | 41.3000 | | | |
| 1 | 3 | R | | | | 39.8000 | | | |
| 1 | 4 | R | | | | 48.5000 | | | |
| 2 | 1 | T | | | V | 39.8000 | 188.0000 | | |
| 2 | 2 | R | | | | 41.3000 | | | |
| 2 | 3 | R | | | | 39.8000 | | | |
| 3 | 1 | T | | | V | 48.5000 | 191.2000 | | |
| 4 | 1 | T | | | H | 39.8000 | 40.7000 | | |
| 5 | 1 | T | | | H | 39.8000 | 189.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2004-05-11 | WCU531 | LICAN |
| 2003-02-12 | WCU531 | LIAUA |
| 2003-01-15 | WCU531 | LIAUA |
| 2003-01-14 | WCU531 | LIAUA |
| 2002-07-21 | WCU531 | LIASS |
| 2001-03-07 | WCU531 | LIAUA |
| 2000-12-19 | WCU531 | LIREN |
| 2000-10-01 | WCU531 | LETRES |
| 1999-08-13 | WCU531 | LICCNV |
| 1999-08-03 | WCU531 | COR |
| 1999-04-27 | WCU531 | COR |
| 1999-04-23 | WCU531 | LIMOD |
| 1999-02-11 | WCU531 | LITRAN |
| 1997-05-01 | WCU531 | LIMOD |
| 1992-05-21 | WCU531 | LIMOD |
| 1991-08-22 | WCU531 | LIMOD |
| 1991-04-01 | WCU531 | LIREN |
| 1988-08-11 | WCU531 | LIMOD |
| 1988-07-07 | WCU531 | LIMOD |
| 1987-03-26 | WCU531 | LIMOD |
| 1987-03-19 | WCU531 | LIMOD |
| 1987-02-26 | WCU531 | LIMOD |
| 1986-11-25 | WCU531 | LIMOD |
| 1986-11-07 | WCU531 | LIMOD |
| 1986-10-27 | WCU531 | LIMOD |
| 1986-01-30 | WCU531 | LIMOD |
| 1985-09-26 | WCU531 | LIMOD |
| 1985-05-23 | WCU531 | LIMOD |
| 1985-05-16 | WCU531 | LIMOD |
| 1985-02-22 | WCU531 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973026 | 2026-08-02 02:45:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WCU531 | ULS 973026 | 2026-08-02 02:45:59 |
| Status | C | ULS 973026 | 2026-08-02 02:45:59 |
| Service | CF | ULS 973026 | 2026-08-02 02:45:59 |
| Grant Date | 2000-12-19 | ULS 973026 | 2026-08-02 02:45:59 |
| Expiration Date | 2010-12-30 | ULS 973026 | 2026-08-02 02:45:59 |
| Cancellation Date | 2004-05-10 | ULS 973026 | 2026-08-02 02:45:59 |