Universal Licensing System
WNTU820
Alda Wireless Holdings, LLC
License details
| ULS identifier | 1053869 |
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| Call sign | WNTU820 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2009-02-18 |
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| Expiration | 2019-04-11 |
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| Cancellation | 2012-06-18 |
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| Frequency range | 18142 - 18580 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8789167, -87.6361389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 18142.00000000 | 18580.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 18142.00000000 | | 100KN0N |
| 1 | 1 | 18142.00000000 | | 250KF3E |
| 1 | 1 | 18142.00000000 | | 5M75C3F |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 101 S WACKER DR, CHICAGO, COOK, IL | 41.87891667, -87.63613889 | 180.700 m | | 435.900 m structure / 522.100 m overall | |
| 2 | R | | 41.90141667, -87.62641667 | 180.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 48.5000 | 17.9000 | | |
| 1 | 2 | R | | | | 48.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2012-06-19 | WNTU820 | LICAN |
| 2010-03-17 | WNTU820 | LIAUA |
| 2010-03-16 | WNTU820 | ESUAPR |
| 2009-02-18 | WNTU820 | LIREN |
| 2009-02-17 | WNTU820 | LTSAPR |
| 2009-01-19 | WNTU820 | LETRES |
| 2008-11-28 | WNTU820 | LITRAN |
| 2008-10-27 | WNTU820 | LIASS |
| 2008-10-16 | WNTU820 | LTSAPR |
| 2008-06-07 | WNTU820 | ESCAPR |
| 2006-02-09 | WNTU820 | LTSAPR |
| 2006-02-08 | WNTU820 | LIAUA |
| 2005-10-04 | WNTU820 | LTSFNR |
| 1999-10-21 | WNTU820 | AUTHPR |
| 1999-10-20 | WNTU820 | LIASS |
| 1999-10-07 | WNTU820 | COR |
| 1999-10-06 | WNTU820 | LIREN |
| 1999-10-04 | WNTU820 | COR |
| 1999-09-04 | WNTU820 | LIEXP |
| 1999-08-27 | WNTU820 | LICCNV |
| 1999-08-14 | WNTU820 | LICCNV |
| 1999-05-11 | WNTU820 | COR |
| 1997-06-30 | WNTU820 | COR |
| 1997-06-24 | WNTU820 | COR |
| 1997-06-17 | WNTU820 | COR |
| 1994-04-11 | WNTU820 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1053869 | 2026-08-02 02:43:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTU820 | ULS 1053869 | 2026-08-02 02:43:54 |
| Status | C | ULS 1053869 | 2026-08-02 02:43:54 |
| Service | MG | ULS 1053869 | 2026-08-02 02:43:54 |
| Grant Date | 2009-02-18 | ULS 1053869 | 2026-08-02 02:43:54 |
| Expiration Date | 2019-04-11 | ULS 1053869 | 2026-08-02 02:43:54 |
| Cancellation Date | 2012-06-18 | ULS 1053869 | 2026-08-02 02:43:54 |