Universal Licensing System
WLU437
Illinois Bell Telephone Company, LLC
License details
| ULS identifier | 998866 |
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| Call sign | WLU437 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-07-07 |
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| Expiration | 2030-08-01 |
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| Frequency range | 6034.15 - 10835 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | TAMMS, ALEXANDER, IL |
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| Coordinates | 37.2353889, -89.2694722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6034.15000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6034.15000000 | | 10M0D7W |
| 1 | 3 | 10835.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 20 RUSSELL STREET, TAMMS, ALEXANDER, IL | 37.23538889, -89.26947222 | 103.600 m | LTOWER | 36.300 m structure / 37.500 m overall | N |
| 2 | R | IL | 37.21986111, -89.36450000 | 196.300 m | | | N |
| 3 | R | IL | 37.16755556, -89.34997222 | 102.700 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE UHX6-59K LF | | V | 38.8000 | 223.5000 | | |
| 1 | 3 | R | COMMSCOPE UHX6-59K LF | | | 38.8000 | | | |
| 2 | 2 | R | COMMSCOPE UHX6-107J LF | | | 44.0000 | | | |
| 3 | 1 | T | COMMSCOPE UHX6-107J LF | | V | 44.0000 | 258.5000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | Transport Tech Center West; 10 South Canal; 21st Fl, Chicago, IL | COOK | 8003828282 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-26 | WLU437 | LIAUA |
| 2025-09-06 | WLU437 | LIAUA |
| 2024-07-20 | WLU437 | LITRAN |
| 2024-01-20 | WLU437 | LIAUA |
| 2023-01-14 | WLU437 | LIAUA |
| 2021-04-30 | WLU437 | LITRAN |
| 2020-07-07 | WLU437 | LIREN |
| 2020-05-11 | WLU437 | LETRES |
| 2019-07-16 | WLU437 | LIMOD |
| 2019-03-23 | WLU437 | LIAUA |
| 2018-10-01 | WLU437 | LIASS |
| 2018-08-24 | WLU437 | LIAUA |
| 2018-03-14 | WLU437 | LIAUA |
| 2015-06-29 | WLU437 | LIMOD |
| 2013-04-18 | WLU437 | LIAUA |
| 2013-04-17 | WLU437 | ESUAPR |
| 2013-01-12 | WLU437 | LIAUA |
| 2013-01-11 | WLU437 | ESUAPR |
| 2011-09-01 | WLU437 | LIAUA |
| 2011-08-31 | WLU437 | ESUAPR |
| 2011-03-24 | WLU437 | AUTHPR |
| 2010-12-08 | WLU437 | LIAUA |
| 2010-12-07 | WLU437 | ESUAPR |
| 2010-07-20 | WLU437 | LIREN |
| 2010-05-28 | WLU437 | ESCAPR |
| 2010-05-10 | WLU437 | LETRES |
| 2004-10-01 | WLU437 | LIAUA |
| 2004-09-30 | WLU437 | ESCAPR |
| 2003-09-18 | WLU437 | LIMOD |
| 2003-03-13 | WLU437 | LIMOD |
| 2002-10-17 | WLU437 | LIMOD |
| 2000-10-03 | WLU437 | LIAUA |
| 2000-08-15 | WLU437 | LIREN |
| 2000-07-11 | WLU437 | LIAUA |
| 2000-05-07 | WLU437 | LETRES |
| 1999-10-08 | WLU437 | LITRAN |
| 1999-08-14 | WLU437 | LICCNV |
| 1999-03-29 | WLU437 | COR |
| 1992-08-25 | WLU437 | LIMOD |
| 1992-03-19 | WLU437 | LIMOD |
| 1990-11-01 | WLU437 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 998866 | 2026-08-02 02:43:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WLU437 | ULS 998866 | 2026-08-02 02:43:20 |
| Status | A | ULS 998866 | 2026-08-02 02:43:20 |
| Service | CF | ULS 998866 | 2026-08-02 02:43:20 |
| Grant Date | 2020-07-07 | ULS 998866 | 2026-08-02 02:43:20 |
| Expiration Date | 2030-08-01 | ULS 998866 | 2026-08-02 02:43:20 |