Universal Licensing System
WPSK972
ESP Wireless Technology Group, Inc.
License details
| ULS identifier | 2324812 |
|---|
| Call sign | WPSK972 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2011-03-26 |
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| Expiration | 2021-06-06 |
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| Cancellation | 2021-08-07 |
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| Frequency range | 476.9625 - 479.99625 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8788889, -87.6361111 |
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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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Licensee
| Name | ESP Wireless Technology Group, Inc. |
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| Applicant type | C |
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| FRN | 0008725681 |
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| Location | Warrenville, IL |
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| Address | 27475 Ferry Road, Warrenville, IL, 60555 |
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| Phone | 7084858930 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 476.96250000 | | | 100.000000 | 12.000000 | |
| 2 | 1 | MO | 476.96250000 | | | 50.000000 | 10.000000 | |
| 2 | 1 | MO | 479.96250000 | | | 50.000000 | 10.000000 | |
| 3 | 1 | FX1T | 479.99625000 | | | 50.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 476.96250000 | | 15K0F2D |
| 1 | 1 | 476.96250000 | | 11K2F2D |
| 1 | 1 | 476.96250000 | | 20K0F1D |
| 1 | 1 | 476.96250000 | | 20K0F3E |
| 1 | 1 | 476.96250000 | | 11K2F1D |
| 1 | 1 | 476.96250000 | | 11K2F3E |
| 2 | 1 | 476.96250000 | | 11K2F3E |
| 2 | 1 | 476.96250000 | | 11K2F1D |
| 2 | 1 | 476.96250000 | | 15K0F2D |
| 2 | 1 | 476.96250000 | | 20K0F3E |
| 2 | 1 | 476.96250000 | | 11K2F2D |
| 2 | 1 | 476.96250000 | | 20K0F1D |
| 2 | 1 | 479.96250000 | | 11K2F3E |
| 2 | 1 | 479.96250000 | | 15K0F2D |
| 2 | 1 | 479.96250000 | | 20K0F1D |
| 2 | 1 | 479.96250000 | | 20K0F3E |
| 2 | 1 | 479.96250000 | | 11K2F1D |
| 2 | 1 | 479.96250000 | | 11K2F2D |
| 3 | 1 | 479.99625000 | | 11K2F1D |
| 3 | 1 | 479.99625000 | | 11K2F2D |
| 3 | 1 | 479.99625000 | | 20K0F1D |
| 3 | 1 | 479.99625000 | | 15K0F2D |
| 3 | 1 | 479.99625000 | | 20K0F3E |
| 3 | 1 | 479.99625000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEARS TOWER, CHICAGO, COOK, IL | 41.87888889, -87.63611111 | 181.000 m | B | 438.000 m structure / 522.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 366.000 m | | | | 369.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8330 South Madison Street, Ste 15, Burr Ridge, IL | DUPAGE | 7084858930 |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-07 | WPSK972 | LIEXP |
| 2021-03-15 | WPSK972 | LETRES |
| 2011-03-29 | WPSK972 | AUTHPR |
| 2011-03-28 | WPSK972 | COR |
| 2011-03-28 | WPSK972 | INTDUP |
| 2011-03-26 | WPSK972 | LIREN |
| 2011-03-14 | WPSK972 | LETRES |
| 2010-12-14 | WPSK972 | LTSAPR |
| 2010-12-14 | WPSK972 | LIAUA |
| 2008-11-13 | WPSK972 | LTSAPR |
| 2008-11-13 | WPSK972 | LIAUA |
| 2005-02-02 | WPSK972 | COR |
| 2005-01-20 | WPSK972 | LIASS |
| 2005-01-07 | WPSK972 | ESCAPR |
| 2004-02-07 | WPSK972 | LIAUA |
| 2004-01-30 | WPSK972 | AUTHPR |
| 2004-01-29 | WPSK972 | INTDUP |
| 2004-01-29 | WPSK972 | COR |
| 2002-05-13 | WPSK972 | AUTHPR |
| 2002-05-10 | WPSK972 | INTDUP |
| 2002-05-10 | WPSK972 | COR |
| 2001-06-06 | WPSK972 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2324812 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSK972 | ULS 2324812 | 2026-08-02 01:16:21 |
| Status | E | ULS 2324812 | 2026-08-02 01:16:21 |
| Service | IG | ULS 2324812 | 2026-08-02 01:16:21 |
| Grant Date | 2011-03-26 | ULS 2324812 | 2026-08-02 01:16:21 |
| Expiration Date | 2021-06-06 | ULS 2324812 | 2026-08-02 01:16:21 |
| Cancellation Date | 2021-08-07 | ULS 2324812 | 2026-08-02 01:16:21 |