Universal Licensing System
WPMS683
ESP Wireless Technology Group
License details
| ULS identifier | 1800147 |
|---|
| Call sign | WPMS683 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-10-05 |
|---|
| Expiration | 2033-12-02 |
|---|
| Frequency range | 472.6625 - 475.6625 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | AURORA, DUPAGE, IL |
|---|
| Coordinates | 41.7694722, -88.2456389 |
|---|
| 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 |
|---|
| 4 | 1 | FB6 | 472.66250000 | | | 100.000000 | 250.000000 | |
| 5 | 1 | MO | 472.66250000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | MO | 475.66250000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | FX1T | 475.66250000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 472.66250000 | | 15K0F2D |
| 4 | 1 | 472.66250000 | | 20K0F3E |
| 4 | 1 | 472.66250000 | | 20K0F1D |
| 4 | 1 | 472.66250000 | | 11K2F2D |
| 4 | 1 | 472.66250000 | | 11K2F1D |
| 4 | 1 | 472.66250000 | | 11K2F3E |
| 5 | 1 | 472.66250000 | | 20K0F3E |
| 5 | 1 | 472.66250000 | | 20K0F1D |
| 5 | 1 | 472.66250000 | | 11K2F2D |
| 5 | 1 | 472.66250000 | | 11K2F3E |
| 5 | 1 | 472.66250000 | | 15K0F2D |
| 5 | 1 | 472.66250000 | | 11K2F1D |
| 5 | 1 | 475.66250000 | | 20K0F1D |
| 5 | 1 | 475.66250000 | | 15K0F2D |
| 5 | 1 | 475.66250000 | | 11K2F2D |
| 5 | 1 | 475.66250000 | | 11K2F1D |
| 5 | 1 | 475.66250000 | | 20K0F3E |
| 5 | 1 | 475.66250000 | | 11K2F3E |
| 6 | 1 | 475.66250000 | | 11K2F3E |
| 6 | 1 | 475.66250000 | | 11K2F1D |
| 6 | 1 | 475.66250000 | | 20K0F1D |
| 6 | 1 | 475.66250000 | | 11K2F2D |
| 6 | 1 | 475.66250000 | | 20K0F3E |
| 6 | 1 | 475.66250000 | | 15K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 4 | T | 620 EOLA RD, AURORA, DUPAGE, IL | 41.76947222, -88.24563889 | 218.000 m | TOWER | 215.000 m structure / 224.000 m overall | N |
| 5 | T | | | | | | N |
| 6 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 4 | T | | 224.000 m | | | | 222.000 | |
| 1 | 5 | | | | | | | | |
| 1 | 6 | | | | | | | | |
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 | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-07 | WPMS683 | LIAUA |
| 2023-10-05 | WPMS683 | LIREN |
| 2013-10-25 | WPMS683 | LIREN |
| 2013-10-25 | WPMS683 | LTSAPR |
| 2013-09-09 | WPMS683 | LETRES |
| 2010-12-14 | WPMS683 | LIAUA |
| 2010-12-14 | WPMS683 | LTSAPR |
| 2008-11-11 | WPMS683 | LIAUA |
| 2008-11-11 | WPMS683 | LTSAPR |
| 2006-03-02 | WPMS683 | LTSAPR |
| 2006-03-01 | WPMS683 | LIAUA |
| 2005-01-20 | WPMS683 | LIASS |
| 2005-01-07 | WPMS683 | ESCAPR |
| 2003-10-04 | WPMS683 | LIREN |
| 2003-09-04 | WPMS683 | LETRES |
| 2003-01-14 | WPMS683 | AUTHPR |
| 2003-01-13 | WPMS683 | COR |
| 2003-01-13 | WPMS683 | INTDUP |
| 2002-05-14 | WPMS683 | COR |
| 2002-05-13 | WPMS683 | AUTHPR |
| 2002-05-10 | WPMS683 | INTDUP |
| 2002-05-10 | WPMS683 | COR |
| 2002-03-11 | WPMS683 | AUDOPR |
| 2001-12-03 | WPMS683 | LIMOD |
| 2001-03-19 | WPMS683 | LIMOD |
| 2000-11-23 | WPMS683 | LICCNV |
| 2000-08-21 | WPMS683 | LIMOD |
| 2000-08-21 | WPMS683 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1800147 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMS683 | ULS 1800147 | 2026-08-02 01:16:21 |
| Status | A | ULS 1800147 | 2026-08-02 01:16:21 |
| Service | IG | ULS 1800147 | 2026-08-02 01:16:21 |
| Grant Date | 2023-10-05 | ULS 1800147 | 2026-08-02 01:16:21 |
| Expiration Date | 2033-12-02 | ULS 1800147 | 2026-08-02 01:16:21 |