Universal Licensing System
WPKS508
Yellow Group, LLC
License details
| ULS identifier | 1785463 |
|---|
| Call sign | WPKS508 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-06-01 |
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| Expiration | 2022-06-23 |
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| Cancellation | 2022-08-27 |
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| Frequency range | 452.1 - 457.225 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8850278, -87.6215833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.10000000 | | | 45.000000 | 260.000000 | |
| 1 | 1 | FB2 | 452.22500000 | | | 45.000000 | 260.000000 | |
| 2 | 1 | MO | 457.10000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 457.22500000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.10000000 | | 11K2F1D |
| 1 | 1 | 452.10000000 | | 11K2F3E |
| 1 | 1 | 452.22500000 | | 11K2F3E |
| 1 | 1 | 452.22500000 | | 11K2F1D |
| 2 | 1 | 457.10000000 | | 11K2F1D |
| 2 | 1 | 457.10000000 | | 11K2F3E |
| 2 | 1 | 457.22500000 | | 11K2F3E |
| 2 | 1 | 457.22500000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Amoco Building, CHICAGO, COOK, IL | 41.88502778, -87.62158333 | 180.400 m | BMAST | 370.000 m structure / 370.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 361.000 m | | | | 362.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 3351 West Addison Street, Chicago, IL | COOK | 3128813199 |
License history
| Date | File or call sign | Action |
|---|
| 2022-08-27 | WPKS508 | LIEXP |
| 2022-03-28 | WPKS508 | LETRES |
| 2016-06-08 | WPKS508 | LIMOD |
| 2013-05-08 | WPKS508 | LIAUA |
| 2013-05-08 | WPKS508 | ESUAPR |
| 2012-06-06 | WPKS508 | LIAUA |
| 2012-06-05 | WPKS508 | ESUAPR |
| 2012-06-01 | WPKS508 | LIREN |
| 2012-05-31 | WPKS508 | ESUAPR |
| 2012-04-02 | WPKS508 | LETRES |
| 2011-03-30 | WPKS508 | LIMOD |
| 2008-09-30 | WPKS508 | LIASS |
| 2008-06-02 | WPKS508 | ESUAPR |
| 2008-02-22 | WPKS508 | LTSAPR |
| 2007-10-24 | WPKS508 | LIASS |
| 2002-04-09 | WPKS508 | LIREN |
| 2002-04-01 | WPKS508 | LETRES |
| 2001-10-19 | WPKS508 | AUDOPR |
| 2000-11-23 | WPKS508 | LICCNV |
| 1998-10-05 | WPKS508 | LIMOD |
| 1998-10-05 | WPKS508 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1785463 | 2026-08-02 01:18:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKS508 | ULS 1785463 | 2026-08-02 01:18:21 |
| Status | E | ULS 1785463 | 2026-08-02 01:18:21 |
| Service | IG | ULS 1785463 | 2026-08-02 01:18:21 |
| Grant Date | 2012-06-01 | ULS 1785463 | 2026-08-02 01:18:21 |
| Expiration Date | 2022-06-23 | ULS 1785463 | 2026-08-02 01:18:21 |
| Cancellation Date | 2022-08-27 | ULS 1785463 | 2026-08-02 01:18:21 |