Universal Licensing System
WCU491
MCI Communications Services, Inc.
License details
| ULS identifier | 973006 |
|---|
| Call sign | WCU491 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2000-12-19 |
|---|
| Expiration | 2011-02-01 |
|---|
| Cancellation | 2006-02-07 |
|---|
| Frequency range | 5974.85 - 19280 MHz (5 frequencies) |
|---|
| Locations | 7 |
|---|
| Representative location | COMPTON, LOS ANGELES, CA |
|---|
| Coordinates | 33.8688889, -118.2483889 |
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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. |
|---|
| Applicant type | C |
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| Location | Richardson, TX |
|---|
| 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 | 3770.00000000 | | | | | |
| 1 | 1 | FXO | 3850.00000000 | | | | | |
| 1 | 1 | FXO | 3930.00000000 | | | | | |
| 1 | 1 | FXO | 4010.00000000 | | | | | |
| 1 | 1 | FXO | 4090.00000000 | | | | | |
| 1 | 1 | FXO | 4170.00000000 | | | | | |
| 1 | 2 | FXO | 5945.20000000 | | | | | |
| 1 | 3 | FXO | 5945.20000000 | | | | | |
| 1 | 5 | FXO | 5945.20000000 | | | | | |
| 1 | 6 | FXO | 5974.85000000 | | | | | |
| 1 | 2 | FXO | 6004.50000000 | | | | | |
| 1 | 3 | FXO | 6004.50000000 | | | | | |
| 1 | 5 | FXO | 6004.50000000 | | | | | |
| 1 | 6 | FXO | 6034.15000000 | | | | | |
| 1 | 7 | FXO | 6034.15000000 | | | | | |
| 1 | 2 | FXO | 6063.80000000 | | | | | |
| 1 | 3 | FXO | 6063.80000000 | | | | | |
| 1 | 5 | FXO | 6063.80000000 | | | | | |
| 1 | 6 | FXO | 6093.45000000 | | | | | |
| 1 | 3 | FXO | 6123.10000000 | | | | | |
| 1 | 6 | FXO | 6152.75000000 | | | | | |
| 1 | 8 | FXO | 19280.00000000 | | | | | |
| 1 | 4 | FXO | 19520.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 3770.00000000 | | 20M0F7W |
| 1 | 1 | 3850.00000000 | | 20M0F7W |
| 1 | 1 | 3930.00000000 | | 20M0F7W |
| 1 | 1 | 4010.00000000 | | 20M0F7W |
| 1 | 1 | 4090.00000000 | | 20M0F7W |
| 1 | 1 | 4170.00000000 | | 20M0F7W |
| 1 | 2 | 5945.20000000 | | 30M0F8W |
| 1 | 5 | 5945.20000000 | | 30M0D7W |
| 1 | 2 | 6004.50000000 | | 30M0F8W |
| 1 | 5 | 6004.50000000 | | 30M0D7W |
| 1 | 7 | 6034.15000000 | | 30M0F8W |
| 1 | 2 | 6063.80000000 | | 30M0F8W |
| 1 | 5 | 6063.80000000 | | 30M0D7W |
| 1 | 8 | 19280.00000000 | | 40M0F7W |
| 1 | 4 | 19520.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 17900 S CENTRAL AVE, COMPTON, LOS ANGELES, CA | 33.86888889, -118.24838889 | 47.200 m | TOWER | 70.100 m structure / 72.500 m overall | N |
| 2 | R | | 33.94500000, -117.82172222 | 432.200 m | | | |
| 3 | R | | 33.75416667, -117.86700000 | 40.200 m | | | |
| 4 | R | | 33.60527778, -117.81141667 | 352.700 m | | | |
| 5 | R | | 34.04777778, -118.25561111 | 82.000 m | | | |
| 6 | R | | 33.83972222, -118.24255556 | 7.000 m | | | |
| 7 | R | | 33.85750000, -118.29477778 | 13.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 39.8000 | 77.8000 | | |
| 1 | 2 | R | | | | 39.8000 | | | |
| 1 | 3 | R | | | | 43.2000 | | | |
| 1 | 4 | R | | | | 43.2000 | | | |
| 1 | 5 | R | | | | 43.2000 | | | |
| 1 | 6 | R | | | | 44.7000 | | | |
| 1 | 7 | R | | | | 38.9000 | | | |
| 2 | 1 | T | | | V | 43.5000 | 109.7000 | | |
| 2 | 3 | R | | | | 43.2000 | | | |
| 2 | 4 | R | | | | 43.2000 | | | |
| 3 | 1 | T | | | V | 43.5000 | 125.7000 | | |
| 4 | 1 | T | | | V | 44.7000 | 170.5000 | | |
| 5 | 1 | T | | | V | 43.2000 | 358.1000 | | |
| 6 | 1 | T | | | H | 43.5000 | 125.7000 | | |
| 7 | 1 | T | | | H | 43.5000 | 109.7000 | | |
| 8 | 1 | T | | | V | 44.9000 | 253.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-02-08 | WCU491 | LICAN |
| 2006-02-07 | WCU491 | ESUAPR |
| 2006-02-02 | WCU491 | LIASS |
| 2006-01-06 | WCU491 | LITRAN |
| 2005-10-20 | WCU491 | LIMOD |
| 2005-08-05 | WCU491 | ESUAPR |
| 2005-06-08 | WCU491 | LIAUA |
| 2005-06-07 | WCU491 | ESUAPR |
| 2005-05-02 | WCU491 | ESCAPR |
| 2005-03-11 | WCU491 | ESUAPR |
| 2004-04-20 | WCU491 | LIASS |
| 2003-02-12 | WCU491 | LIAUA |
| 2003-01-15 | WCU491 | LIAUA |
| 2003-01-14 | WCU491 | LIAUA |
| 2002-07-21 | WCU491 | LIASS |
| 2001-03-07 | WCU491 | LIAUA |
| 2000-12-19 | WCU491 | LIREN |
| 2000-11-13 | WCU491 | LETRES |
| 1999-08-13 | WCU491 | LICCNV |
| 1999-02-11 | WCU491 | LITRAN |
| 1997-07-10 | WCU491 | LIMOD |
| 1992-01-07 | WCU491 | LIMOD |
| 1991-04-01 | WCU491 | LIREN |
| 1990-10-01 | WCU491 | LIMOD |
| 1990-09-05 | WCU491 | LIMOD |
| 1990-05-17 | WCU491 | LIMOD |
| 1989-12-07 | WCU491 | LIMOD |
| 1989-11-09 | WCU491 | LIMOD |
| 1988-08-25 | WCU491 | LIMOD |
| 1988-08-11 | WCU491 | LIMOD |
| 1988-08-04 | WCU491 | LIMOD |
| 1986-11-19 | WCU491 | LIMOD |
| 1986-10-23 | WCU491 | LIMOD |
| 1986-09-18 | WCU491 | LIMOD |
| 1986-03-20 | WCU491 | LIMOD |
| 1986-03-01 | WCU491 | LIMOD |
| 1985-09-26 | WCU491 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973006 | 2026-08-02 02:46:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WCU491 | ULS 973006 | 2026-08-02 02:46:05 |
| Status | C | ULS 973006 | 2026-08-02 02:46:05 |
| Service | CF | ULS 973006 | 2026-08-02 02:46:05 |
| Grant Date | 2000-12-19 | ULS 973006 | 2026-08-02 02:46:05 |
| Expiration Date | 2011-02-01 | ULS 973006 | 2026-08-02 02:46:05 |
| Cancellation Date | 2006-02-07 | ULS 973006 | 2026-08-02 02:46:05 |