Universal Licensing System
WQTU574
CHICAGO BOARD OPTIONS EXCHANGE INCORPORATED
License details
| ULS identifier | 3584058 |
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| Call sign | WQTU574 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-06-07 |
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| Expiration | 2034-04-15 |
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| Frequency range | 461.4 - 468.9 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8764444, -87.6321667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 03:03:12 |
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Licensee
| Name | CHICAGO BOARD OPTIONS EXCHANGE INCORPORATED |
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| Applicant type | C |
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| FRN | 0023306236 |
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| Location | CHICAGO, IL |
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| Address | 433 WEST VAN BUREN ST / STE 700, CHICAGO, IL, 60607 |
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| Phone | 3127867228 |
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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 |
|---|
| 3 | 1 | MO | 461.40000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 463.90000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 463.90000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 464.17500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 468.90000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 461.40000000 | | 11K2F3E |
| 3 | 1 | 461.40000000 | | 7K60FXD |
| 3 | 1 | 461.40000000 | | 7K60FXE |
| 1 | 1 | 463.90000000 | | 7K60FXD |
| 1 | 1 | 463.90000000 | | 7K60FXE |
| 1 | 1 | 463.90000000 | | 11K2F3E |
| 2 | 1 | 463.90000000 | | 11K2F3E |
| 2 | 1 | 463.90000000 | | 7K60FXD |
| 2 | 1 | 463.90000000 | | 7K60FXE |
| 3 | 1 | 464.17500000 | | 11K2F3E |
| 3 | 1 | 464.17500000 | | 7K60FXE |
| 3 | 1 | 464.17500000 | | 7K60FXD |
| 2 | 1 | 468.90000000 | | 7K60FXE |
| 2 | 1 | 468.90000000 | | 7K60FXD |
| 2 | 1 | 468.90000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | 400 S. LASALLE STREET, CHICAGO, COOK, IL | 41.87644444, -87.63216667 | 181.000 m | B | 42.600 m structure / 42.600 m overall | |
| 2 | | | | | | | |
| 3 | | 400 S LASALLE STREET, CHICAGO, COOK, IL | 41.87644444, -87.63216667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 13.700 m | | | | 42.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 400 S LASALLE STREET, CHICAGO, IL | COOK | 3127867228 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-07 | WQTU574 | LIREN |
| 2014-04-15 | WQTU574 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3584058 | 2026-08-09 03:03:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQTU574 | ULS 3584058 | 2026-08-09 03:03:12 |
| Status | A | ULS 3584058 | 2026-08-09 03:03:12 |
| Service | IG | ULS 3584058 | 2026-08-09 03:03:12 |
| Grant Date | 2024-06-07 | ULS 3584058 | 2026-08-09 03:03:12 |
| Expiration Date | 2034-04-15 | ULS 3584058 | 2026-08-09 03:03:12 |