Universal Licensing System
WQSY421
ILLINOIS, STATE OF DEPARTMENT OF TRANSPORTATION
License details
| ULS identifier | 3542551 |
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| Call sign | WQSY421 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-09-12 |
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| Expiration | 2033-12-09 |
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| Frequency range | 458.15 - 458.7 MHz (8 frequencies) |
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| Locations | 1 |
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| Representative location | SCHAUMBURG, COOK, IL |
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| Coordinates | 42.0653056, -88.0839722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:20 |
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Licensee
| Name | ILLINOIS, STATE OF DEPARTMENT OF TRANSPORTATION |
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| Applicant type | G |
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| FRN | 0002787919 |
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| Location | SCHAUMBURG, IL |
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| Address | 201 W CENTER COURT, SCHAUMBURG, IL, 601961096 |
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| Phone | 8477054612 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 7 | FX1 | 458.15000000 | | | 10.000000 | 53.000000 | |
| 1 | 2 | FX1 | 458.18750000 | | | 10.000000 | 53.000000 | |
| 1 | 6 | FX1 | 458.20000000 | | | 10.000000 | 53.000000 | |
| 1 | 1 | FX1 | 458.23750000 | | | 10.000000 | 53.000000 | |
| 1 | 8 | FX1 | 458.30000000 | | | 10.000000 | 53.000000 | |
| 1 | 5 | FX1 | 458.40000000 | | | 10.000000 | 53.000000 | |
| 1 | 4 | FX1 | 458.63750000 | | | 10.000000 | 53.000000 | |
| 1 | 3 | FX1 | 458.70000000 | | | 10.000000 | 53.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 7 | 458.15000000 | | 8K10F1D |
| 1 | 7 | 458.15000000 | | 8K10F1E |
| 1 | 2 | 458.18750000 | | 8K10F1E |
| 1 | 2 | 458.18750000 | | 8K10F1D |
| 1 | 6 | 458.20000000 | | 8K10F1E |
| 1 | 6 | 458.20000000 | | 8K10F1D |
| 1 | 1 | 458.23750000 | | 8K10F1D |
| 1 | 1 | 458.23750000 | | 8K10F1E |
| 1 | 8 | 458.30000000 | | 8K10F1D |
| 1 | 8 | 458.30000000 | | 8K10F1E |
| 1 | 5 | 458.40000000 | | 8K10F1D |
| 1 | 5 | 458.40000000 | | 8K10F1E |
| 1 | 4 | 458.63750000 | | 8K10F1E |
| 1 | 4 | 458.63750000 | | 8K10F1D |
| 1 | 3 | 458.70000000 | | 8K10F1E |
| 1 | 3 | 458.70000000 | | 8K10F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 201 W CENTER CT, SCHAUMBURG, COOK, IL | 42.06530556, -88.08397222 | 238.000 m | MTOWER | 30.500 m structure / 36.600 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 29.000 m | V | 10.0000 | 147.0000 | 31.600 | |
| 2 | 1 | T | | 30.200 m | V | 10.0000 | 162.0000 | 32.800 | |
| 3 | 1 | T | | 27.400 m | V | 10.0000 | 147.0000 | 30.000 | |
| 4 | 1 | T | | 29.000 m | V | 10.0000 | 312.0000 | 31.600 | |
| 5 | 1 | T | | 27.400 m | V | 10.0000 | 258.0000 | 30.000 | |
| 6 | 1 | T | | 27.400 m | V | 10.0000 | 3.0000 | 30.000 | |
| 7 | 1 | T | | 24.400 m | V | 10.0000 | 147.0000 | 27.000 | |
| 8 | 1 | T | | 21.300 m | V | 10.0000 | 147.0000 | 23.900 | |
Control points
| Number | Address | County | Phone |
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| 1 | 201 WEST CENTER COURT, SCHAUMBURG, IL | COOK | 8477054227 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-12 | WQSY421 | LIREN |
| 2023-09-10 | WQSY421 | ESURNW |
| 2014-11-20 | WQSY421 | LIMOD |
| 2014-11-19 | WQSY421 | ESUAPR |
| 2014-09-09 | WQSY421 | LETCNS |
| 2013-12-09 | WQSY421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 3542551 | 2026-08-02 01:13:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQSY421 | ULS 3542551 | 2026-08-02 01:13:20 |
| Status | A | ULS 3542551 | 2026-08-02 01:13:20 |
| Service | PW | ULS 3542551 | 2026-08-02 01:13:20 |
| Grant Date | 2023-09-12 | ULS 3542551 | 2026-08-02 01:13:20 |
| Expiration Date | 2033-12-09 | ULS 3542551 | 2026-08-02 01:13:20 |