Universal Licensing System
WMM420
MCI Comunications Services, Inc.
License details
| ULS identifier | 1003267 |
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| Call sign | WMM420 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2011-01-19 |
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| Expiration | 2020-12-30 |
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| Cancellation | 2012-05-16 |
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| Frequency range | 5945.2 - 6004.5 MHz (2 frequencies) |
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| Locations | 1 |
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| Coordinates | 39.7008611, -90.2470556 |
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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 Comunications Services, Inc. |
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| Applicant type | C |
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| Location | Irving, TX |
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| Address | 600 Hidden Ridge, Irving, TX, 75015 |
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| Phone | 9727184599 |
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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 | 3 | FXO | 5945.20000000 | | | | | |
| 1 | 4 | FXO | 5945.20000000 | | | | | |
| 1 | 3 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 6004.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 5945.20000000 | | 30M0D7W |
| 1 | 4 | 5945.20000000 | | 30M0D7W |
| 1 | 3 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 6004.50000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5 MI SW, NEW BERLIN, MORGAN, IL | 39.69558333, -89.96647222 | 203.000 m | | 93.900 m overall | |
| 2 | R | | 39.80447222, -89.64202778 | 185.300 m | | | |
| 3 | R | | 39.70086111, -90.24705556 | 199.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | 2 | R | | | | 43.2000 | | | |
| 2 | 3 | R | | | | 43.2000 | | | |
| 3 | 1 | T | | | V | 43.2000 | 271.5000 | | |
| 4 | 1 | T | | | H | 43.2000 | 66.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2012-05-17 | WMM420 | LICAN |
| 2011-03-24 | WMM420 | AUTHPR |
| 2011-01-19 | WMM420 | LIREN |
| 2010-11-22 | WMM420 | ESUAPR |
| 2010-10-04 | WMM420 | LETRES |
| 2006-02-02 | WMM420 | LIASS |
| 2006-01-06 | WMM420 | LITRAN |
| 2005-06-08 | WMM420 | LIAUA |
| 2005-06-07 | WMM420 | ESUAPR |
| 2005-05-02 | WMM420 | ESCAPR |
| 2005-03-11 | WMM420 | ESUAPR |
| 2004-04-20 | WMM420 | LIASS |
| 2004-03-02 | WMM420 | LIMOD |
| 2004-01-10 | WMM420 | LIAUA |
| 2003-02-12 | WMM420 | LIAUA |
| 2003-01-15 | WMM420 | LIAUA |
| 2003-01-14 | WMM420 | LIAUA |
| 2002-07-21 | WMM420 | LIASS |
| 2001-03-07 | WMM420 | LIAUA |
| 2000-12-19 | WMM420 | LIREN |
| 2000-10-01 | WMM420 | LETRES |
| 1999-08-14 | WMM420 | LICCNV |
| 1999-03-08 | WMM420 | LIMOD |
| 1999-02-11 | WMM420 | LITRAN |
| 1997-05-21 | WMM420 | COR |
| 1993-06-22 | WMM420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1003267 | 2026-08-02 02:46:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WMM420 | ULS 1003267 | 2026-08-02 02:46:05 |
| Status | C | ULS 1003267 | 2026-08-02 02:46:05 |
| Service | CF | ULS 1003267 | 2026-08-02 02:46:05 |
| Grant Date | 2011-01-19 | ULS 1003267 | 2026-08-02 02:46:05 |
| Expiration Date | 2020-12-30 | ULS 1003267 | 2026-08-02 02:46:05 |
| Cancellation Date | 2012-05-16 | ULS 1003267 | 2026-08-02 02:46:05 |