Universal Licensing System
WPKK836
ESP Wireless Technology Group
License details
| ULS identifier | 1748077 |
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| Call sign | WPKK836 |
|---|
| Radio service | IG |
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| Status | A |
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| Grant date | 2022-02-24 |
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| Expiration | 2032-03-26 |
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| Frequency range | 472.0875 - 475.0875 MHz (2 frequencies) |
|---|
| Locations | 3 |
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| Representative location | MOKENA, WILL, IL |
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| Coordinates | 41.5197222, -87.8547222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 472.08750000 | | | 110.000000 | 360.000000 | |
| 2 | 1 | MO | 472.08750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 475.08750000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 475.08750000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.08750000 | | 20K0F3E |
| 1 | 1 | 472.08750000 | | 20K0F1D |
| 1 | 1 | 472.08750000 | | 15K0F2D |
| 2 | 1 | 472.08750000 | | 20K0F1D |
| 2 | 1 | 472.08750000 | | 15K0F2D |
| 2 | 1 | 472.08750000 | | 20K0F3E |
| 2 | 1 | 475.08750000 | | 15K0F2D |
| 2 | 1 | 475.08750000 | | 20K0F3E |
| 2 | 1 | 475.08750000 | | 20K0F1D |
| 3 | 1 | 475.08750000 | | 20K0F3E |
| 3 | 1 | 475.08750000 | | 15K0F2D |
| 3 | 1 | 475.08750000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 19500 S MANNHEIM RD, MOKENA, WILL, IL | 41.51972222, -87.85472222 | 216.000 m | TOWER | 152.000 m structure / 152.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 152.000 m | | | | 143.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8330 South Madison Street, Ste15, Burr Ridge, IL | DUPAGE | 7084858930 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | WPKK836 | LIAUA |
| 2022-02-24 | WPKK836 | LIREN |
| 2013-08-05 | WPKK836 | COR |
| 2012-02-01 | WPKK836 | LIREN |
| 2012-01-02 | WPKK836 | LETRES |
| 2010-12-14 | WPKK836 | LIAUA |
| 2010-12-14 | WPKK836 | LTSAPR |
| 2008-11-11 | WPKK836 | LIAUA |
| 2008-11-11 | WPKK836 | LTSAPR |
| 2006-03-02 | WPKK836 | LTSAPR |
| 2006-03-01 | WPKK836 | LIAUA |
| 2005-01-20 | WPKK836 | LIASS |
| 2005-01-07 | WPKK836 | ESCAPR |
| 2004-11-09 | WPKK836 | LIAUA |
| 2004-11-08 | WPKK836 | ESCAPR |
| 2002-04-12 | WPKK836 | AUTHPR |
| 2002-04-11 | WPKK836 | COR |
| 2002-04-11 | WPKK836 | INTDUP |
| 2002-03-11 | WPKK836 | AUDOPR |
| 2002-03-02 | WPKK836 | LIREN |
| 2001-12-31 | WPKK836 | LETRES |
| 2000-11-23 | WPKK836 | LICCNV |
| 1997-03-26 | WPKK836 | AUTHPR |
| 1997-03-26 | WPKK836 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1748077 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKK836 | ULS 1748077 | 2026-08-02 01:16:21 |
| Status | A | ULS 1748077 | 2026-08-02 01:16:21 |
| Service | IG | ULS 1748077 | 2026-08-02 01:16:21 |
| Grant Date | 2022-02-24 | ULS 1748077 | 2026-08-02 01:16:21 |
| Expiration Date | 2032-03-26 | ULS 1748077 | 2026-08-02 01:16:21 |