Universal Licensing System
WPSR581
ILLINOIS STATE TOLL HIGHWAY AUTHORITY
License details
| ULS identifier | 2333961 |
|---|
| Call sign | WPSR581 |
|---|
| Radio service | GE |
|---|
| Status | A |
|---|
| Grant date | 2021-07-14 |
|---|
| Expiration | 2031-07-18 |
|---|
| Frequency range | 855.9625 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | MARKHAM, COOK, IL |
|---|
| Coordinates | 41.5905556, -87.6797222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FB2 | 855.73750000 | | | 75.000000 | 395.000000 | |
| 1 | 2 | FB2 | 855.96250000 | | | 75.000000 | 395.000000 | |
| 1 | 1 | FB2 | 856.73750000 | | | 75.000000 | 395.000000 | |
| 1 | 1 | FB2 | 856.98750000 | | | 75.000000 | 395.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 855.73750000 | | 9K80D7W |
| 1 | 2 | 855.73750000 | | 8K10F1D |
| 1 | 2 | 855.73750000 | | 20K0F3E |
| 1 | 2 | 855.73750000 | | 8K70D1W |
| 1 | 2 | 855.73750000 | | 8K10F1E |
| 1 | 2 | 855.96250000 | | 8K10F1D |
| 1 | 2 | 855.96250000 | | 8K10F1E |
| 1 | 2 | 855.96250000 | | 20K0F3E |
| 1 | 2 | 855.96250000 | | 9K80D7W |
| 1 | 2 | 855.96250000 | | 8K70D1W |
| 1 | 1 | 856.73750000 | | 8K70D1W |
| 1 | 1 | 856.73750000 | | 8K10F1E |
| 1 | 1 | 856.73750000 | | 9K80D7W |
| 1 | 1 | 856.73750000 | | 8K10F1D |
| 1 | 1 | 856.73750000 | | 20K0F3E |
| 1 | 1 | 856.98750000 | | 8K10F1D |
| 1 | 1 | 856.98750000 | | 8K10F1E |
| 1 | 1 | 856.98750000 | | 9K80D7W |
| 1 | 1 | 856.98750000 | | 8K70D1W |
| 1 | 1 | 856.98750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1189M S OF US RTE 6 ON I294, MARKHAM, COOK, IL | 41.59055556, -87.67972222 | 189.400 m | LTOWER | 61.000 m structure / 62.500 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 58.000 m | | | | 57.000 | |
| 2 | 1 | T | | 61.000 m | | | | 60.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2700 OGDEN AVE, DOWNERS GROVE, IL | DUPAGE | 6302416800 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-04 | WPSR581 | LIMOD |
| 2021-07-14 | WPSR581 | LIREN |
| 2021-07-08 | WPSR581 | ESURNW |
| 2021-06-18 | WPSR581 | ESURNW |
| 2021-05-19 | WPSR581 | ESURNW |
| 2021-04-26 | WPSR581 | LETRES |
| 2020-02-11 | WPSR581 | COR |
| 2014-11-25 | WPSR581 | ESUAPR |
| 2011-05-05 | WPSR581 | LIREN |
| 2011-04-25 | WPSR581 | LETRES |
| 2011-04-19 | WPSR581 | ESURNW |
| 2002-04-18 | WPSR581 | LETCNS |
| 2001-07-18 | WPSR581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2333961 | 2026-08-02 01:14:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSR581 | ULS 2333961 | 2026-08-02 01:14:56 |
| Status | A | ULS 2333961 | 2026-08-02 01:14:56 |
| Service | GE | ULS 2333961 | 2026-08-02 01:14:56 |
| Grant Date | 2021-07-14 | ULS 2333961 | 2026-08-02 01:14:56 |
| Expiration Date | 2031-07-18 | ULS 2333961 | 2026-08-02 01:14:56 |