Universal Licensing System
WPBK943
ESP Wireless Technology Group, Inc
License details
| ULS identifier | 1781789 |
|---|
| Call sign | WPBK943 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2012-12-04 |
|---|
| Expiration | 2023-01-11 |
|---|
| Cancellation | 2023-03-18 |
|---|
| Frequency range | 461.225 - 468.4875 MHz (20 frequencies) |
|---|
| Locations | 6 |
|---|
| Representative location | AURORA, DUPAGE, IL |
|---|
| Coordinates | 41.7694722, -88.2456389 |
|---|
| 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 |
|---|
| 3 | 1 | MO6 | 461.21250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | FB6 | 461.22500000 | | | 75.000000 | 225.000000 | |
| 6 | 1 | MO | 461.22500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 461.23750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 461.66250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | FB6 | 461.67500000 | | | 75.000000 | 225.000000 | |
| 6 | 1 | MO | 461.67500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 461.68750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 461.86250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB6 | 461.87500000 | | | 100.000000 | 250.000000 | |
| 5 | 1 | MO | 461.87500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 461.88750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 463.46250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | FB6 | 463.47500000 | | | 75.000000 | 225.000000 | |
| 6 | 1 | MO | 463.47500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 463.48750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 466.21250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | FX1 | 466.22500000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 466.22500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 466.23750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 466.66250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | FX1 | 466.67500000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 466.67500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 466.68750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 466.86250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | FX1 | 466.87500000 | | | 30.000000 | 30.000000 | |
| 5 | 1 | MO | 466.87500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 466.88750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO6 | 468.46250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | FX1 | 468.47500000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 468.47500000 | | | 30.000000 | 30.000000 | |
| 3 | 1 | MO6 | 468.48750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 461.21250000 | | 11K2F3E |
| 3 | 1 | 461.21250000 | | 11K2F2D |
| 3 | 1 | 461.21250000 | | 11K2F1D |
| 2 | 1 | 461.22500000 | | 11K2F2D |
| 2 | 1 | 461.22500000 | | 11K2F1D |
| 2 | 1 | 461.22500000 | | 11K2F3E |
| 6 | 1 | 461.22500000 | | 11K2F3E |
| 6 | 1 | 461.22500000 | | 11K2F1D |
| 6 | 1 | 461.22500000 | | 11K2F2D |
| 3 | 1 | 461.23750000 | | 11K2F1D |
| 3 | 1 | 461.23750000 | | 11K2F2D |
| 3 | 1 | 461.23750000 | | 11K2F3E |
| 3 | 1 | 461.66250000 | | 11K2F2D |
| 3 | 1 | 461.66250000 | | 11K2F3E |
| 3 | 1 | 461.66250000 | | 11K2F1D |
| 2 | 1 | 461.67500000 | | 11K2F1D |
| 2 | 1 | 461.67500000 | | 11K2F3E |
| 2 | 1 | 461.67500000 | | 11K2F2D |
| 6 | 1 | 461.67500000 | | 11K2F2D |
| 6 | 1 | 461.67500000 | | 11K2F1D |
| 6 | 1 | 461.67500000 | | 11K2F3E |
| 3 | 1 | 461.68750000 | | 11K2F1D |
| 3 | 1 | 461.68750000 | | 11K2F3E |
| 3 | 1 | 461.68750000 | | 11K2F2D |
| 3 | 1 | 461.86250000 | | 11K2F3E |
| 3 | 1 | 461.86250000 | | 11K2F1D |
| 3 | 1 | 461.86250000 | | 11K2F2D |
| 1 | 1 | 461.87500000 | | 11K2F3E |
| 1 | 1 | 461.87500000 | | 11K2F1D |
| 1 | 1 | 461.87500000 | | 11K2F2D |
| 5 | 1 | 461.87500000 | | 11K2F3E |
| 5 | 1 | 461.87500000 | | 11K2F2D |
| 5 | 1 | 461.87500000 | | 11K2F1D |
| 3 | 1 | 461.88750000 | | 11K2F2D |
| 3 | 1 | 461.88750000 | | 11K2F1D |
| 3 | 1 | 461.88750000 | | 11K2F3E |
| 3 | 1 | 463.46250000 | | 11K2F3E |
| 3 | 1 | 463.46250000 | | 11K2F2D |
| 3 | 1 | 463.46250000 | | 11K2F1D |
| 2 | 1 | 463.47500000 | | 11K2F2D |
| 2 | 1 | 463.47500000 | | 11K2F3E |
| 2 | 1 | 463.47500000 | | 11K2F1D |
| 6 | 1 | 463.47500000 | | 11K2F2D |
| 6 | 1 | 463.47500000 | | 11K2F1D |
| 6 | 1 | 463.47500000 | | 11K2F3E |
| 3 | 1 | 463.48750000 | | 11K2F3E |
| 3 | 1 | 463.48750000 | | 11K2F1D |
| 3 | 1 | 463.48750000 | | 11K2F2D |
| 3 | 1 | 466.21250000 | | 11K2F3E |
| 3 | 1 | 466.21250000 | | 11K2F2D |
| 3 | 1 | 466.21250000 | | 11K2F1D |
| 4 | 1 | 466.22500000 | | 11K2F1D |
| 4 | 1 | 466.22500000 | | 11K2F2D |
| 4 | 1 | 466.22500000 | | 11K2F3E |
| 6 | 1 | 466.22500000 | | 11K2F3E |
| 6 | 1 | 466.22500000 | | 11K2F2D |
| 6 | 1 | 466.22500000 | | 11K2F1D |
| 3 | 1 | 466.23750000 | | 11K2F2D |
| 3 | 1 | 466.23750000 | | 11K2F3E |
| 3 | 1 | 466.23750000 | | 11K2F1D |
| 3 | 1 | 466.66250000 | | 11K2F2D |
| 3 | 1 | 466.66250000 | | 11K2F1D |
| 3 | 1 | 466.66250000 | | 11K2F3E |
| 4 | 1 | 466.67500000 | | 11K2F3E |
| 4 | 1 | 466.67500000 | | 11K2F2D |
| 4 | 1 | 466.67500000 | | 11K2F1D |
| 6 | 1 | 466.67500000 | | 11K2F3E |
| 6 | 1 | 466.67500000 | | 11K2F2D |
| 6 | 1 | 466.67500000 | | 11K2F1D |
| 3 | 1 | 466.68750000 | | 11K2F3E |
| 3 | 1 | 466.68750000 | | 11K2F1D |
| 3 | 1 | 466.68750000 | | 11K2F2D |
| 3 | 1 | 466.86250000 | | 11K2F2D |
| 3 | 1 | 466.86250000 | | 11K2F1D |
| 3 | 1 | 466.86250000 | | 11K2F3E |
| 4 | 1 | 466.87500000 | | 11K2F2D |
| 4 | 1 | 466.87500000 | | 11K2F1D |
| 4 | 1 | 466.87500000 | | 11K2F3E |
| 5 | 1 | 466.87500000 | | 11K2F3E |
| 5 | 1 | 466.87500000 | | 11K2F2D |
| 5 | 1 | 466.87500000 | | 11K2F1D |
| 3 | 1 | 466.88750000 | | 11K2F2D |
| 3 | 1 | 466.88750000 | | 11K2F1D |
| 3 | 1 | 466.88750000 | | 11K2F3E |
| 3 | 1 | 468.46250000 | | 11K2F1D |
| 3 | 1 | 468.46250000 | | 11K2F2D |
| 3 | 1 | 468.46250000 | | 11K2F3E |
| 4 | 1 | 468.47500000 | | 11K2F3E |
| 4 | 1 | 468.47500000 | | 11K2F2D |
| 4 | 1 | 468.47500000 | | 11K2F1D |
| 6 | 1 | 468.47500000 | | 11K2F2D |
| 6 | 1 | 468.47500000 | | 11K2F3E |
| 6 | 1 | 468.47500000 | | 11K2F1D |
| 3 | 1 | 468.48750000 | | 11K2F1D |
| 3 | 1 | 468.48750000 | | 11K2F3E |
| 3 | 1 | 468.48750000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 620 EOLA RD, AURORA, DUPAGE, IL | 41.76947222, -88.24563889 | 218.000 m | TOWER | 215.000 m structure / 215.000 m overall | N |
| 2 | T | 1 KM SE HART & CHILLEM, BATAVIA, KANE, IL | 41.83863889, -88.29675000 | 238.000 m | TOWER | 91.000 m structure / 96.000 m overall | N |
| 3 | T | KANE, IL | 41.83863889, -88.29675000 | | | | |
| 4 | T | IL | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 215.000 m | | | | 222.000 | |
| 1 | 2 | T | | 96.000 m | | | | 95.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
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 |
|---|
| 2023-03-18 | WPBK943 | LIEXP |
| 2017-06-26 | WPBK943 | LIMOD |
| 2012-12-04 | WPBK943 | LIREN |
| 2012-10-15 | WPBK943 | LETRES |
| 2010-12-14 | WPBK943 | LIAUA |
| 2010-12-14 | WPBK943 | LTSAPR |
| 2008-11-11 | WPBK943 | LIAUA |
| 2008-11-11 | WPBK943 | LTSAPR |
| 2006-03-02 | WPBK943 | LTSAPR |
| 2006-03-01 | WPBK943 | LIAUA |
| 2005-01-14 | WPBK943 | LIASS |
| 2005-01-07 | WPBK943 | ESCAPR |
| 2002-12-21 | WPBK943 | LIREN |
| 2002-10-23 | WPBK943 | LIAUA |
| 2002-10-15 | WPBK943 | LETRES |
| 2002-03-11 | WPBK943 | AUDOPR |
| 2000-11-23 | WPBK943 | LICCNV |
| 2000-02-23 | WPBK943 | AUTHPR |
| 2000-02-16 | WPBK943 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1781789 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPBK943 | ULS 1781789 | 2026-08-02 01:16:21 |
| Status | E | ULS 1781789 | 2026-08-02 01:16:21 |
| Service | IG | ULS 1781789 | 2026-08-02 01:16:21 |
| Grant Date | 2012-12-04 | ULS 1781789 | 2026-08-02 01:16:21 |
| Expiration Date | 2023-01-11 | ULS 1781789 | 2026-08-02 01:16:21 |
| Cancellation Date | 2023-03-18 | ULS 1781789 | 2026-08-02 01:16:21 |