Universal Licensing System
WPTH688
ESP Wireless Technology Group
License details
| ULS identifier | 2354843 |
|---|
| Call sign | WPTH688 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2022-08-03 |
|---|
| Expiration | 2031-10-04 |
|---|
| Frequency range | 474.65 - 475.85 MHz (3 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.8788889, -87.6361111 |
|---|
| 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 | 471.50000000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO8 | 471.50000000 | | | 50.000000 | 50.000000 | |
| 1 | 1 | FB8 | 471.65000000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO8 | 471.65000000 | | | 50.000000 | 50.000000 | |
| 1 | 1 | FB8 | 471.83750000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO8 | 471.83750000 | | | 50.000000 | 50.000000 | |
| 1 | 1 | FB8 | 472.85000000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO8 | 472.85000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO8 | 474.50000000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 474.50000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO8 | 474.65000000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 474.65000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO8 | 474.83750000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 474.83750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO8 | 475.85000000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1T | 475.85000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.50000000 | | 11K2F2D |
| 1 | 1 | 471.50000000 | | 11K2F3E |
| 1 | 1 | 471.50000000 | | 11K2F1D |
| 2 | 1 | 471.50000000 | | 11K2F1D |
| 2 | 1 | 471.50000000 | | 11K2F2D |
| 2 | 1 | 471.50000000 | | 11K2F3E |
| 1 | 1 | 471.65000000 | | 11K2F3E |
| 1 | 1 | 471.65000000 | | 11K2F2D |
| 1 | 1 | 471.65000000 | | 11K2F1D |
| 2 | 1 | 471.65000000 | | 11K2F1D |
| 2 | 1 | 471.65000000 | | 11K2F3E |
| 2 | 1 | 471.65000000 | | 11K2F2D |
| 1 | 1 | 471.83750000 | | 11K2F3E |
| 1 | 1 | 471.83750000 | | 11K2F1D |
| 1 | 1 | 471.83750000 | | 11K2F2D |
| 2 | 1 | 471.83750000 | | 11K2F3E |
| 2 | 1 | 471.83750000 | | 11K2F2D |
| 2 | 1 | 471.83750000 | | 11K2F1D |
| 1 | 1 | 472.85000000 | | 11K2F3E |
| 1 | 1 | 472.85000000 | | 11K2F2D |
| 1 | 1 | 472.85000000 | | 11K2F1D |
| 2 | 1 | 472.85000000 | | 11K2F3E |
| 2 | 1 | 472.85000000 | | 11K2F1D |
| 2 | 1 | 472.85000000 | | 11K2F2D |
| 2 | 1 | 474.50000000 | | 11K2F3E |
| 2 | 1 | 474.50000000 | | 11K2F2D |
| 2 | 1 | 474.50000000 | | 11K2F1D |
| 3 | 1 | 474.50000000 | | 11K2F1D |
| 3 | 1 | 474.50000000 | | 11K2F2D |
| 3 | 1 | 474.50000000 | | 11K2F3E |
| 2 | 1 | 474.65000000 | | 11K2F1D |
| 2 | 1 | 474.65000000 | | 11K2F3E |
| 2 | 1 | 474.65000000 | | 11K2F2D |
| 3 | 1 | 474.65000000 | | 11K2F2D |
| 3 | 1 | 474.65000000 | | 11K2F3E |
| 3 | 1 | 474.65000000 | | 11K2F1D |
| 2 | 1 | 474.83750000 | | 11K2F3E |
| 2 | 1 | 474.83750000 | | 11K2F2D |
| 2 | 1 | 474.83750000 | | 11K2F1D |
| 3 | 1 | 474.83750000 | | 11K2F2D |
| 3 | 1 | 474.83750000 | | 11K2F3E |
| 3 | 1 | 474.83750000 | | 11K2F1D |
| 2 | 1 | 475.85000000 | | 11K2F2D |
| 2 | 1 | 475.85000000 | | 11K2F1D |
| 2 | 1 | 475.85000000 | | 11K2F3E |
| 3 | 1 | 475.85000000 | | 11K2F3E |
| 3 | 1 | 475.85000000 | | 11K2F2D |
| 3 | 1 | 475.85000000 | | 11K2F1D |
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 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 1069 |
| P | 4020 |
| P | 5118 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | WPTH688 | LIAUA |
| 2023-07-25 | WPTH688 | LETCNS |
| 2022-10-24 | WPTH688 | COR |
| 2022-10-24 | WPTH688 | LIMOD |
| 2022-08-03 | WPTH688 | LIREN |
| 2011-09-02 | WPTH688 | LIREN |
| 2011-07-11 | WPTH688 | LETRES |
| 2010-12-14 | WPTH688 | LTSAPR |
| 2010-12-14 | WPTH688 | LIAUA |
| 2008-11-13 | WPTH688 | LIAUA |
| 2008-11-13 | WPTH688 | LTSAPR |
| 2006-11-29 | WPTH688 | LTSAPR |
| 2006-11-28 | WPTH688 | LIAUA |
| 2005-02-02 | WPTH688 | COR |
| 2005-01-20 | WPTH688 | LIASS |
| 2005-01-07 | WPTH688 | ESCAPR |
| 2002-07-12 | WPTH688 | LIAUA |
| 2002-05-14 | WPTH688 | AUTHPR |
| 2002-05-13 | WPTH688 | INTDUP |
| 2002-05-13 | WPTH688 | COR |
| 2001-10-04 | WPTH688 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2354843 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTH688 | ULS 2354843 | 2026-08-02 01:16:21 |
| Status | A | ULS 2354843 | 2026-08-02 01:16:21 |
| Service | YG | ULS 2354843 | 2026-08-02 01:16:21 |
| Grant Date | 2022-08-03 | ULS 2354843 | 2026-08-02 01:16:21 |
| Expiration Date | 2031-10-04 | ULS 2354843 | 2026-08-02 01:16:21 |