Universal Licensing System
WIM783
ESP Wireless Technology Group, Inc.
License details
| ULS identifier | 1923831 |
|---|
| Call sign | WIM783 |
|---|
| Radio service | YG |
|---|
| Status | E |
|---|
| Grant date | 2011-02-10 |
|---|
| Expiration | 2021-05-07 |
|---|
| Cancellation | 2021-07-17 |
|---|
| Frequency range | 471.8625 - 475.1125 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.8789167, -87.6361667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:21 |
|---|
Licensee
| Name | ESP Wireless Technology Group, Inc. |
|---|
| Applicant type | C |
|---|
| FRN | 0008725681 |
|---|
| Location | Warrenville, IL |
|---|
| Address | 27475 Ferry Road, Warrenville, IL, 60555 |
|---|
| Phone | 7084858930 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 471.86250000 | | | 100.000000 | 1000.000000 | |
| 2 | 1 | MO | 471.86250000 | | | 50.000000 | 50.000000 | |
| 1 | 1 | FB8 | 472.11250000 | | | 100.000000 | 1000.000000 | |
| 2 | 1 | MO | 472.11250000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 474.86250000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 474.86250000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 475.11250000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 475.11250000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.86250000 | | 20K0F1D |
| 1 | 1 | 471.86250000 | | 11K2F1D |
| 1 | 1 | 471.86250000 | | 15K0F2D |
| 1 | 1 | 471.86250000 | | 20K0F3E |
| 1 | 1 | 471.86250000 | | 11K2F2D |
| 1 | 1 | 471.86250000 | | 11K2F3E |
| 2 | 1 | 471.86250000 | | 11K2F2D |
| 2 | 1 | 471.86250000 | | 20K0F3E |
| 2 | 1 | 471.86250000 | | 20K0F1D |
| 2 | 1 | 471.86250000 | | 15K0F2D |
| 2 | 1 | 471.86250000 | | 11K2F1D |
| 2 | 1 | 471.86250000 | | 11K2F3E |
| 1 | 1 | 472.11250000 | | 20K0F3E |
| 1 | 1 | 472.11250000 | | 20K0F1D |
| 1 | 1 | 472.11250000 | | 11K2F3E |
| 1 | 1 | 472.11250000 | | 15K0F2D |
| 1 | 1 | 472.11250000 | | 11K2F2D |
| 1 | 1 | 472.11250000 | | 11K2F1D |
| 2 | 1 | 472.11250000 | | 11K2F2D |
| 2 | 1 | 472.11250000 | | 11K2F3E |
| 2 | 1 | 472.11250000 | | 15K0F2D |
| 2 | 1 | 472.11250000 | | 20K0F3E |
| 2 | 1 | 472.11250000 | | 20K0F1D |
| 2 | 1 | 472.11250000 | | 11K2F1D |
| 2 | 1 | 474.86250000 | | 11K2F2D |
| 2 | 1 | 474.86250000 | | 20K0F3E |
| 2 | 1 | 474.86250000 | | 15K0F2D |
| 2 | 1 | 474.86250000 | | 20K0F1D |
| 2 | 1 | 474.86250000 | | 11K2F1D |
| 2 | 1 | 474.86250000 | | 11K2F3E |
| 3 | 1 | 474.86250000 | | 11K2F2D |
| 3 | 1 | 474.86250000 | | 11K2F1D |
| 3 | 1 | 474.86250000 | | 20K0F1D |
| 3 | 1 | 474.86250000 | | 20K0F3E |
| 3 | 1 | 474.86250000 | | 15K0F2D |
| 3 | 1 | 474.86250000 | | 11K2F3E |
| 2 | 1 | 475.11250000 | | 11K2F1D |
| 2 | 1 | 475.11250000 | | 15K0F2D |
| 2 | 1 | 475.11250000 | | 20K0F3E |
| 2 | 1 | 475.11250000 | | 11K2F3E |
| 2 | 1 | 475.11250000 | | 20K0F1D |
| 2 | 1 | 475.11250000 | | 11K2F2D |
| 3 | 1 | 475.11250000 | | 20K0F1D |
| 3 | 1 | 475.11250000 | | 15K0F2D |
| 3 | 1 | 475.11250000 | | 11K2F2D |
| 3 | 1 | 475.11250000 | | 11K2F3E |
| 3 | 1 | 475.11250000 | | 11K2F1D |
| 3 | 1 | 475.11250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEARS TOWER, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.000 m | B | 436.000 m structure / 436.000 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 | | 366.000 m | | | | 369.000 | |
| 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 |
|---|
| 2021-07-17 | WIM783 | LIEXP |
| 2021-02-08 | WIM783 | LETRES |
| 2011-03-24 | WIM783 | AUTHPR |
| 2011-02-11 | WIM783 | AUTHPR |
| 2011-02-10 | WIM783 | INTDUP |
| 2011-02-10 | WIM783 | COR |
| 2011-02-10 | WIM783 | LIREN |
| 2010-12-14 | WIM783 | LTSAPR |
| 2010-12-14 | WIM783 | LIAUA |
| 2008-11-11 | WIM783 | LIAUA |
| 2008-11-11 | WIM783 | LTSAPR |
| 2006-03-02 | WIM783 | LTSAPR |
| 2006-03-01 | WIM783 | LIAUA |
| 2005-02-02 | WIM783 | COR |
| 2005-01-20 | WIM783 | LIASS |
| 2005-01-07 | WIM783 | ESCAPR |
| 2002-03-11 | WIM783 | AUDOPR |
| 2001-04-27 | WIM783 | LIREN |
| 2001-02-13 | WIM783 | LETRES |
| 2000-11-24 | WIM783 | COR |
| 2000-11-24 | WIM783 | LICCNV |
| 2000-07-27 | WIM783 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1923831 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIM783 | ULS 1923831 | 2026-08-02 01:16:21 |
| Status | E | ULS 1923831 | 2026-08-02 01:16:21 |
| Service | YG | ULS 1923831 | 2026-08-02 01:16:21 |
| Grant Date | 2011-02-10 | ULS 1923831 | 2026-08-02 01:16:21 |
| Expiration Date | 2021-05-07 | ULS 1923831 | 2026-08-02 01:16:21 |
| Cancellation Date | 2021-07-17 | ULS 1923831 | 2026-08-02 01:16:21 |