Universal Licensing System
WLK451
MCI WorldCom Network Services, Inc. (debtor-in-possession)
License details
| ULS identifier | 993154 |
|---|
| Call sign | WLK451 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2001-01-30 |
|---|
| Expiration | 2011-02-01 |
|---|
| Cancellation | 2003-07-01 |
|---|
| Frequency range | 17800 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | JACKSONVILLE, DUVAL, FL |
|---|
| Coordinates | 30.3196667, -81.6753611 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:10 |
|---|
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 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17800.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 532 RIVERSIDE AVENUE, JACKSONVILLE, DUVAL, FL | 30.31966667, -81.67536111 | 4.600 m | | 93.600 m overall | |
| 2 | R | | 30.32577778, -81.66508333 | 1.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 38.9000 | 55.6000 | | |
| 1 | 2 | R | | | | 38.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2003-07-02 | WLK451 | LICAN |
| 2003-02-12 | WLK451 | LIAUA |
| 2003-01-15 | WLK451 | LIAUA |
| 2003-01-14 | WLK451 | LIAUA |
| 2002-07-21 | WLK451 | LIASS |
| 2001-03-07 | WLK451 | LIAUA |
| 2001-01-30 | WLK451 | LIREN |
| 2000-11-13 | WLK451 | LETRES |
| 1999-08-14 | WLK451 | LICCNV |
| 1999-02-11 | WLK451 | LITRAN |
| 1991-04-01 | WLK451 | LIREN |
| 1987-05-14 | WLK451 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 993154 | 2026-08-02 02:46:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLK451 | ULS 993154 | 2026-08-02 02:46:10 |
| Status | C | ULS 993154 | 2026-08-02 02:46:10 |
| Service | CF | ULS 993154 | 2026-08-02 02:46:10 |
| Grant Date | 2001-01-30 | ULS 993154 | 2026-08-02 02:46:10 |
| Expiration Date | 2011-02-01 | ULS 993154 | 2026-08-02 02:46:10 |
| Cancellation Date | 2003-07-01 | ULS 993154 | 2026-08-02 02:46:10 |