Universal Licensing System
WPMN475
Yellow Group, LLC
License details
| ULS identifier | 1797652 |
|---|
| Call sign | WPMN475 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2013-08-14 |
|---|
| Expiration | 2023-10-05 |
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| Cancellation | 2023-12-09 |
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| Frequency range | 452.275 - 457.3 MHz (4 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CRYSTAL LAKE, MCHENRY, IL |
|---|
| Coordinates | 42.2538889, -88.2838889 |
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| Source archive | l_LMpriv.zip |
|---|
| 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 | 452.27500000 | | | 45.000000 | 260.000000 | |
| 3 | 1 | FB2 | 452.27500000 | | | 100.000000 | 125.000000 | |
| 1 | 1 | FB2 | 452.30000000 | | | 45.000000 | 260.000000 | |
| 3 | 1 | FB2 | 452.30000000 | | | 100.000000 | 125.000000 | |
| 2 | 1 | MO | 457.27500000 | | | 45.000000 | 45.000000 | |
| 4 | 1 | MO | 457.27500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 457.30000000 | | | 45.000000 | 45.000000 | |
| 4 | 1 | MO | 457.30000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.27500000 | | 11K2F1D |
| 1 | 1 | 452.27500000 | | 11K2F3E |
| 3 | 1 | 452.27500000 | | 11K2F1D |
| 3 | 1 | 452.27500000 | | 11K2F3E |
| 1 | 1 | 452.30000000 | | 11K2F1D |
| 1 | 1 | 452.30000000 | | 11K2F3E |
| 3 | 1 | 452.30000000 | | 11K2F1D |
| 3 | 1 | 452.30000000 | | 11K2F3E |
| 2 | 1 | 457.27500000 | | 11K2F3E |
| 2 | 1 | 457.27500000 | | 11K2F1D |
| 4 | 1 | 457.27500000 | | 11K2F1D |
| 4 | 1 | 457.27500000 | | 11K2F3E |
| 2 | 1 | 457.30000000 | | 11K2F1D |
| 2 | 1 | 457.30000000 | | 11K2F3E |
| 4 | 1 | 457.30000000 | | 11K2F3E |
| 4 | 1 | 457.30000000 | | 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 | | | | | | |
| 3 | T | 1.9 MI E, CRYSTAL LAKE, MCHENRY, IL | 42.25388889, -88.28388889 | 277.400 m | TOWER | 85.300 m structure / 91.400 m overall | N |
| 4 | | | | | | | N |
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 | | | | | | | |
| 1 | 3 | T | | 91.400 m | | | | 115.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 3351 West Addison Street, Chicago, IL | COOK | 3128813199 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-09 | WPMN475 | LIEXP |
| 2023-07-10 | WPMN475 | LETRES |
| 2016-06-08 | WPMN475 | LIMOD |
| 2013-08-14 | WPMN475 | LIREN |
| 2013-07-15 | WPMN475 | LETRES |
| 2013-05-08 | WPMN475 | ESUAPR |
| 2013-05-08 | WPMN475 | LIAUA |
| 2012-01-18 | WPMN475 | LETCNS |
| 2011-04-18 | WPMN475 | LIMOD |
| 2008-03-10 | WPMN475 | ESUAPR |
| 2007-01-01 | WPMN475 | LIASS |
| 2005-03-22 | WPMN475 | LTSAPR |
| 2005-03-22 | WPMN475 | LIASS |
| 2003-09-24 | WPMN475 | LIREN |
| 2003-07-14 | WPMN475 | LETRES |
| 2002-03-07 | WPMN475 | LIAUA |
| 2001-10-23 | WPMN475 | AUDOPR |
| 2000-11-23 | WPMN475 | LICCNV |
| 1998-10-05 | WPMN475 | LIISS |
| 1998-10-05 | WPMN475 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1797652 | 2026-08-02 01:18:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMN475 | ULS 1797652 | 2026-08-02 01:18:21 |
| Status | E | ULS 1797652 | 2026-08-02 01:18:21 |
| Service | IG | ULS 1797652 | 2026-08-02 01:18:21 |
| Grant Date | 2013-08-14 | ULS 1797652 | 2026-08-02 01:18:21 |
| Expiration Date | 2023-10-05 | ULS 1797652 | 2026-08-02 01:18:21 |
| Cancellation Date | 2023-12-09 | ULS 1797652 | 2026-08-02 01:18:21 |