Universal Licensing System
WLM669
SOUTHWESTERN BELL MOBILE SYSTEMS, LLC
License details
| ULS identifier | 994713 |
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| Call sign | WLM669 |
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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 | 2004-03-24 |
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| Frequency range | 18120 MHz |
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| Locations | 2 |
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| Representative location | OAK BROOK, DUPAGE, IL |
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| Coordinates | 41.8464167, -87.9817222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:07 |
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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 | 18120.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 18120.00000000 | | 40M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1 OAK BROOK TERRACE, OAK BROOK, DUPAGE, IL | 41.84641667, -87.98172222 | 221.300 m | | 37.500 m overall | |
| 2 | R | | 41.90419444, -87.97727778 | 209.100 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 | 44.7000 | 3.3000 | | |
| 1 | 2 | R | | | | 47.9000 | | | |
License history
| Date | File or call sign | Action |
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| 2004-03-25 | WLM669 | LICAN |
| 2001-03-13 | WLM669 | LIREN |
| 2000-12-05 | WLM669 | LIASS |
| 2000-11-13 | WLM669 | LETRES |
| 2000-10-02 | WLM669 | LITRAN |
| 1999-08-14 | WLM669 | LICCNV |
| 1994-12-19 | WLM669 | LIMOD |
| 1994-10-24 | WLM669 | LIMOD |
| 1994-09-19 | WLM669 | LIMOD |
| 1993-11-22 | WLM669 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 994713 | 2026-08-02 02:46:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLM669 | ULS 994713 | 2026-08-02 02:46:07 |
| Status | C | ULS 994713 | 2026-08-02 02:46:07 |
| Service | CF | ULS 994713 | 2026-08-02 02:46:07 |
| Grant Date | 2001-03-13 | ULS 994713 | 2026-08-02 02:46:07 |
| Expiration Date | 2011-02-01 | ULS 994713 | 2026-08-02 02:46:07 |
| Cancellation Date | 2004-03-24 | ULS 994713 | 2026-08-02 02:46:07 |