Universal Licensing System
WPPW446
ESP Wireless Technology Group
License details
| ULS identifier | 1821038 |
|---|
| Call sign | WPPW446 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-02-12 |
|---|
| Expiration | 2035-02-09 |
|---|
| Frequency range | 472.0125 - 475.0125 MHz (2 frequencies) |
|---|
| Locations | 7 |
|---|
| 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 | FB6 | 472.01250000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | FB6 | 472.01250000 | | | 100.000000 | 250.000000 | |
| 3 | 1 | FB6 | 472.01250000 | | | 100.000000 | 250.000000 | |
| 4 | 1 | FB6 | 472.01250000 | | | 100.000000 | 250.000000 | |
| 5 | 1 | FB6 | 472.01250000 | | | 100.000000 | 250.000000 | |
| 6 | 1 | MO | 472.01250000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO | 475.01250000 | | | 50.000000 | 50.000000 | |
| 7 | 1 | FX1T | 475.01250000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.01250000 | | 20K0F3E |
| 1 | 1 | 472.01250000 | | 11K2F3E |
| 1 | 1 | 472.01250000 | | 11K2F1D |
| 1 | 1 | 472.01250000 | | 20K0F1D |
| 1 | 1 | 472.01250000 | | 15K0F2D |
| 1 | 1 | 472.01250000 | | 11K2F2D |
| 2 | 1 | 472.01250000 | | 20K0F3E |
| 2 | 1 | 472.01250000 | | 11K2F1D |
| 2 | 1 | 472.01250000 | | 20K0F1D |
| 2 | 1 | 472.01250000 | | 11K2F2D |
| 2 | 1 | 472.01250000 | | 11K2F3E |
| 2 | 1 | 472.01250000 | | 15K0F2D |
| 3 | 1 | 472.01250000 | | 11K2F2D |
| 3 | 1 | 472.01250000 | | 11K2F1D |
| 3 | 1 | 472.01250000 | | 11K2F3E |
| 3 | 1 | 472.01250000 | | 20K0F3E |
| 3 | 1 | 472.01250000 | | 15K0F2D |
| 3 | 1 | 472.01250000 | | 20K0F1D |
| 4 | 1 | 472.01250000 | | 15K0F2D |
| 4 | 1 | 472.01250000 | | 20K0F1D |
| 4 | 1 | 472.01250000 | | 20K0F3E |
| 4 | 1 | 472.01250000 | | 11K2F2D |
| 4 | 1 | 472.01250000 | | 11K2F1D |
| 4 | 1 | 472.01250000 | | 11K2F3E |
| 5 | 1 | 472.01250000 | | 20K0F3E |
| 5 | 1 | 472.01250000 | | 11K2F1D |
| 5 | 1 | 472.01250000 | | 11K2F3E |
| 5 | 1 | 472.01250000 | | 20K0F1D |
| 5 | 1 | 472.01250000 | | 15K0F2D |
| 5 | 1 | 472.01250000 | | 11K2F2D |
| 6 | 1 | 472.01250000 | | 11K2F3E |
| 6 | 1 | 472.01250000 | | 20K0F1D |
| 6 | 1 | 472.01250000 | | 11K2F2D |
| 6 | 1 | 472.01250000 | | 11K2F1D |
| 6 | 1 | 472.01250000 | | 20K0F3E |
| 6 | 1 | 472.01250000 | | 15K0F2D |
| 6 | 1 | 475.01250000 | | 11K2F3E |
| 6 | 1 | 475.01250000 | | 11K2F2D |
| 6 | 1 | 475.01250000 | | 20K0F1D |
| 6 | 1 | 475.01250000 | | 11K2F1D |
| 6 | 1 | 475.01250000 | | 15K0F2D |
| 6 | 1 | 475.01250000 | | 20K0F3E |
| 7 | 1 | 475.01250000 | | 20K0F3E |
| 7 | 1 | 475.01250000 | | 20K0F1D |
| 7 | 1 | 475.01250000 | | 11K2F1D |
| 7 | 1 | 475.01250000 | | 15K0F2D |
| 7 | 1 | 475.01250000 | | 11K2F2D |
| 7 | 1 | 475.01250000 | | 11K2F3E |
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 | 620 EOLA RD, AURORA - 2ND, DUPAGE, IL | 41.76947222, -88.24563889 | 218.000 m | TOWER | 215.000 m structure / 215.000 m overall | N |
| 3 | T | 6405 OLCOTT AVE, HAMMOND - 2ND, LAKE, IN | 41.59697222, -87.47919444 | 182.000 m | TOWER | 123.000 m structure / 123.000 m overall | N |
| 4 | T | 1 KM WSW I-63 & GILMER, LAKE ZURICH - 2ND, LAKE, IL | 42.23613889, -88.06508333 | 267.000 m | TOWER | 122.000 m structure / 122.000 m overall | N |
| 5 | T | 19500 S MANNHEIM RD, MOKENA - 2ND, WILL, IL | 41.53641667, -87.85477778 | 216.000 m | TOWER | 151.000 m structure / 151.000 m overall | N |
| 6 | T | | | | | | |
| 7 | 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 | | 215.000 m | | | | 222.000 | |
| 1 | 3 | T | | 123.000 m | | | | 135.000 | |
| 1 | 4 | T | | 122.000 m | | | | 122.000 | |
| 1 | 5 | T | | 151.000 m | | | | 143.000 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 9126 Ogden Ave., BROOKFIELD, IL | COOK | 7084858930 |
| 3 | 9126 Ogden Avenue, Brookfield, IL | COOK | 7082888930 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | WPPW446 | LIAUA |
| 2025-02-12 | WPPW446 | LIREN |
| 2024-11-18 | WPPW446 | LETRES |
| 2015-01-21 | WPPW446 | LIREN |
| 2015-01-19 | WPPW446 | LTSAPR |
| 2014-11-17 | WPPW446 | LETRES |
| 2010-12-14 | WPPW446 | LIAUA |
| 2010-12-14 | WPPW446 | LTSAPR |
| 2008-11-11 | WPPW446 | LIAUA |
| 2008-11-11 | WPPW446 | LTSAPR |
| 2006-03-02 | WPPW446 | LTSAPR |
| 2006-03-01 | WPPW446 | LIAUA |
| 2005-02-01 | WPPW446 | LIREN |
| 2005-01-20 | WPPW446 | LIASS |
| 2005-01-07 | WPPW446 | ESCAPR |
| 2004-11-15 | WPPW446 | LETRES |
| 2003-01-02 | WPPW446 | AUDOPR |
| 2000-11-23 | WPPW446 | LICCNV |
| 2000-02-09 | WPPW446 | LIISS |
| 2000-02-09 | WPPW446 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1821038 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPW446 | ULS 1821038 | 2026-08-02 01:16:21 |
| Status | A | ULS 1821038 | 2026-08-02 01:16:21 |
| Service | IG | ULS 1821038 | 2026-08-02 01:16:21 |
| Grant Date | 2025-02-12 | ULS 1821038 | 2026-08-02 01:16:21 |
| Expiration Date | 2035-02-09 | ULS 1821038 | 2026-08-02 01:16:21 |