Universal Licensing System
KTL921
SCRIBCOR MANAGEMENT COMPANY
License details
| ULS identifier | 1638924 |
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| Call sign | KTL921 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-11-06 |
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| Expiration | 2001-10-28 |
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| Cancellation | 2002-03-31 |
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| Frequency range | 464.45 MHz |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8889167, -87.6275556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:00 |
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Licensee
| Name | SCRIBCOR MANAGEMENT COMPANY |
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| Applicant type | C |
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| Location | CHICAGO, IL |
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| Address | ONE IBM PLZ STE 3104, CHICAGO, IL, 60611 |
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| Phone | 3129238050 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 464.45000000 | | | 100.000000 | 6.000000 | |
| 2 | 1 | MO | 464.45000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.45000000 | | 20K0F1D |
| 2 | 1 | 464.45000000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ONE IBM PLZ, CHICAGO, COOK, IL | 41.88891667, -87.62755556 | 180.000 m | | 170.000 m structure / 170.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 171.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | ONE IBM PLZ, CHICAGO, IL | | 3129238050 |
License history
| Date | File or call sign | Action |
|---|
| 2002-03-31 | KTL921 | LIEXP |
| 2001-10-25 | KTL921 | LETAUS |
| 2001-08-06 | KTL921 | LETRES |
| 2000-11-23 | KTL921 | LICCNV |
| 1996-11-06 | KTL921 | AUTHPR |
| 1996-11-06 | KTL921 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1638924 | 2026-08-02 01:28:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KTL921 | ULS 1638924 | 2026-08-02 01:28:00 |
| Status | E | ULS 1638924 | 2026-08-02 01:28:00 |
| Service | IG | ULS 1638924 | 2026-08-02 01:28:00 |
| Grant Date | 1996-11-06 | ULS 1638924 | 2026-08-02 01:28:00 |
| Expiration Date | 2001-10-28 | ULS 1638924 | 2026-08-02 01:28:00 |
| Cancellation Date | 2002-03-31 | ULS 1638924 | 2026-08-02 01:28:00 |