Universal Licensing System
WNZU574
MCI Communications Services, Inc.
License details
| ULS identifier | 1879290 |
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| Call sign | WNZU574 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2002-11-14 |
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| Expiration | 2012-10-27 |
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| Cancellation | 2012-05-08 |
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| Frequency range | 451.45 - 456.45 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | FRISCO, POINTE COUPEE, LA |
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| Coordinates | 30.5879722, -91.5223333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-16 06:48:23 |
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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, 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 |
|---|
| 3 | 1 | FB2C | 451.45000000 | | | 100.000000 | 96.600000 | |
| 8 | 1 | MO | 451.45000000 | | | 40.000000 | 40.000000 | |
| 8 | 1 | MO | 456.45000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.45000000 | | 20K0F3E |
| 8 | 1 | 451.45000000 | | 20K0F3E |
| 8 | 1 | 456.45000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 3 | T | .25 MI NE INT HWY 78 AND 979, FRISCO, POINTE COUPEE, LA | 30.58797222, -91.52233333 | 8.000 m | | 152.000 m structure / 152.000 m overall | N |
| 8 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | T | | 158.000 m | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | ONE WILLIAMS CTR, TULSA, OK | TULSA | 9185905911 |
License history
| Date | File or call sign | Action |
|---|
| 2012-05-09 | WNZU574 | LICAN |
| 2012-05-08 | WNZU574 | ESUAPR |
| 2007-12-13 | WNZU574 | LIMOD |
| 2006-01-06 | WNZU574 | LITRAN |
| 2005-12-31 | WNZU574 | LIASS |
| 2005-06-08 | WNZU574 | LIAUA |
| 2005-06-07 | WNZU574 | ESUAPR |
| 2005-05-02 | WNZU574 | ESCAPR |
| 2005-03-11 | WNZU574 | ESUAPR |
| 2004-04-20 | WNZU574 | LIASS |
| 2003-02-12 | WNZU574 | LIAUA |
| 2003-01-15 | WNZU574 | LIAUA |
| 2003-01-14 | WNZU574 | LIAUA |
| 2002-11-14 | WNZU574 | LIREN |
| 2002-08-05 | WNZU574 | LETRES |
| 2002-07-21 | WNZU574 | LIASS |
| 2002-03-20 | WNZU574 | LIAUA |
| 2002-01-07 | WNZU574 | AUDOPR |
| 2000-11-24 | WNZU574 | LICCNV |
| 1997-10-27 | WNZU574 | LIMOD |
| 1997-10-27 | WNZU574 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1879290 | 2026-08-16 06:48:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNZU574 | ULS 1879290 | 2026-08-16 06:48:23 |
| Status | C | ULS 1879290 | 2026-08-16 06:48:23 |
| Service | IG | ULS 1879290 | 2026-08-16 06:48:23 |
| Grant Date | 2002-11-14 | ULS 1879290 | 2026-08-16 06:48:23 |
| Expiration Date | 2012-10-27 | ULS 1879290 | 2026-08-16 06:48:23 |
| Cancellation Date | 2012-05-08 | ULS 1879290 | 2026-08-16 06:48:23 |