Universal Licensing System
WIL751
ESP Wireless Technology Group
License details
| ULS identifier | 1923796 |
|---|
| Call sign | WIL751 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2023-12-21 |
|---|
| Expiration | 2034-03-09 |
|---|
| Frequency range | 471.5375 - 474.5375 MHz (2 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 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 471.53750000 | | | 100.000000 | 1000.000000 | |
| 2 | 1 | MO | 471.53750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 474.53750000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 474.53750000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.53750000 | | 11K2F1D |
| 1 | 1 | 471.53750000 | | 20K0F3E |
| 1 | 1 | 471.53750000 | | 15K0F2D |
| 1 | 1 | 471.53750000 | | 11K2F2D |
| 1 | 1 | 471.53750000 | | 11K2F3E |
| 1 | 1 | 471.53750000 | | 20K0F1D |
| 2 | 1 | 471.53750000 | | 11K2F2D |
| 2 | 1 | 471.53750000 | | 15K0F2D |
| 2 | 1 | 471.53750000 | | 11K2F3E |
| 2 | 1 | 471.53750000 | | 20K0F1D |
| 2 | 1 | 471.53750000 | | 11K2F1D |
| 2 | 1 | 471.53750000 | | 20K0F3E |
| 2 | 1 | 474.53750000 | | 20K0F1D |
| 2 | 1 | 474.53750000 | | 15K0F2D |
| 2 | 1 | 474.53750000 | | 11K2F3E |
| 2 | 1 | 474.53750000 | | 11K2F2D |
| 2 | 1 | 474.53750000 | | 20K0F3E |
| 2 | 1 | 474.53750000 | | 11K2F1D |
| 3 | 1 | 474.53750000 | | 15K0F2D |
| 3 | 1 | 474.53750000 | | 11K2F3E |
| 3 | 1 | 474.53750000 | | 11K2F1D |
| 3 | 1 | 474.53750000 | | 20K0F1D |
| 3 | 1 | 474.53750000 | | 20K0F3E |
| 3 | 1 | 474.53750000 | | 11K2F2D |
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 |
|---|
| 2 | 8330 South Madison Street, Suite 15, Burr Ridge, IL | DUPAGE | 7084858930 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | WIL751 | LIAUA |
| 2023-12-21 | WIL751 | LIREN |
| 2013-12-11 | WIL751 | LIREN |
| 2010-12-14 | WIL751 | LTSAPR |
| 2010-12-14 | WIL751 | LIAUA |
| 2008-07-18 | WIL751 | LTSAPR |
| 2008-07-17 | WIL751 | LIAUA |
| 2006-03-02 | WIL751 | LTSAPR |
| 2006-03-01 | WIL751 | LIAUA |
| 2005-02-02 | WIL751 | COR |
| 2005-01-20 | WIL751 | LIASS |
| 2005-01-07 | WIL751 | ESCAPR |
| 2004-04-17 | WIL751 | LIAUA |
| 2004-03-02 | WIL751 | LIREN |
| 2003-12-15 | WIL751 | LETRES |
| 2002-03-11 | WIL751 | AUDOPR |
| 2000-11-24 | WIL751 | LICCNV |
| 2000-07-10 | WIL751 | LIMOD |
| 2000-07-10 | WIL751 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1923796 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIL751 | ULS 1923796 | 2026-08-02 01:16:21 |
| Status | A | ULS 1923796 | 2026-08-02 01:16:21 |
| Service | YG | ULS 1923796 | 2026-08-02 01:16:21 |
| Grant Date | 2023-12-21 | ULS 1923796 | 2026-08-02 01:16:21 |
| Expiration Date | 2034-03-09 | ULS 1923796 | 2026-08-02 01:16:21 |