Universal Licensing System
WMK404
SOUTHWESTERN BELL MOBILE SYSTEMS, LLC
License details
| ULS identifier | 1002389 |
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| Call sign | WMK404 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-03-13 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2001-07-24 |
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| Frequency range | 2178 MHz |
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| Locations | 1 |
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| Coordinates | 40.8822500, -88.0050278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:10 |
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Licensee
| Name | SOUTHWESTERN BELL MOBILE SYSTEMS, LLC |
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| Applicant type | L |
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| Location | Dallas, TX |
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| Address | 17330 Preston Road, Suite 100A, Dallas, TX, 75252 |
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| Phone | 9727332092 |
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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 |
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| 1 | 1 | FXO | 2178.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 2178.00000000 | | 3M50A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1.6 MILES S OF, SWYGERT, LIVINGSTON, IL | 40.93558333, -88.53033333 | 223.400 m | | 77.700 m overall | |
| 2 | R | | 40.88225000, -88.00502778 | 199.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 34.2000 | 97.5000 | | |
| 1 | 2 | R | | | | 34.2000 | | | |
License history
| Date | File or call sign | Action |
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| 2001-07-26 | WMK404 | LICAN |
| 2001-03-13 | WMK404 | LIREN |
| 2000-12-05 | WMK404 | LIASS |
| 2000-11-13 | WMK404 | LETRES |
| 2000-10-02 | WMK404 | LITRAN |
| 1999-08-14 | WMK404 | LICCNV |
| 1998-03-06 | WMK404 | LIASS |
| 1997-06-13 | WMK404 | COR |
| 1996-09-20 | WMK404 | LIASS |
| 1996-04-23 | WMK404 | LIASS |
| 1995-08-16 | WMK404 | LIASS |
| 1995-03-01 | WMK404 | LIMOD |
| 1994-06-28 | WMK404 | LITRAN |
| 1992-06-19 | WMK404 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1002389 | 2026-08-02 02:48:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WMK404 | ULS 1002389 | 2026-08-02 02:48:10 |
| Status | C | ULS 1002389 | 2026-08-02 02:48:10 |
| Service | CF | ULS 1002389 | 2026-08-02 02:48:10 |
| Grant Date | 2001-03-13 | ULS 1002389 | 2026-08-02 02:48:10 |
| Expiration Date | 2011-02-01 | ULS 1002389 | 2026-08-02 02:48:10 |
| Cancellation Date | 2001-07-24 | ULS 1002389 | 2026-08-02 02:48:10 |