Universal Licensing System
KNIQ974
CHICAGO BOARD OPTIONS EXCHANGE
License details
| ULS identifier | 1628300 |
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| Call sign | KNIQ974 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1999-02-16 |
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| Expiration | 2004-03-30 |
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| Cancellation | 2002-12-03 |
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| Frequency range | 464.475 MHz |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8666944, -87.6347778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:51 |
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Licensee
| Name | CHICAGO BOARD OPTIONS EXCHANGE |
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| Applicant type | C |
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| Location | CHICAGO, IL |
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| Address | 400 S LASALLE ST, CHICAGO, IL, 60605 |
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| Phone | 3127867335 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 464.47500000 | | | 25.000000 | 21.000000 | |
| 2 | 1 | MO | 464.47500000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.47500000 | | 20K0F3E |
| 2 | 1 | 464.47500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 400 S LASALLE ST, CHICAGO, COOK, IL | 41.86669444, -87.63477778 | 180.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 400 S LASALLE ST, CHICAGO, IL | | 3127867335 |
License history
| Date | File or call sign | Action |
|---|
| 2002-12-03 | KNIQ974 | LITERM |
| 2002-11-14 | KNIQ974 | AUDCAN |
| 2000-11-23 | KNIQ974 | LICCNV |
| 1999-02-16 | KNIQ974 | AUTHPR |
| 1999-02-16 | KNIQ974 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1628300 | 2026-08-02 01:27:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNIQ974 | ULS 1628300 | 2026-08-02 01:27:51 |
| Status | T | ULS 1628300 | 2026-08-02 01:27:51 |
| Service | IG | ULS 1628300 | 2026-08-02 01:27:51 |
| Grant Date | 1999-02-16 | ULS 1628300 | 2026-08-02 01:27:51 |
| Expiration Date | 2004-03-30 | ULS 1628300 | 2026-08-02 01:27:51 |
| Cancellation Date | 2002-12-03 | ULS 1628300 | 2026-08-02 01:27:51 |