Universal Licensing System
KNBM257
City of Chicago Office of Emergency Management
License details
| ULS identifier | 1253076 |
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| Call sign | KNBM257 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2001-07-12 |
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| Expiration | 2011-07-01 |
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| Cancellation | 2011-09-03 |
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| Frequency range | 460.35 MHz |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9036389, -87.6320000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:50 |
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Licensee
| Name | City of Chicago Office of Emergency Management |
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| Applicant type | G |
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| FRN | 0002833416 |
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| Location | CHICAGO, IL |
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| Address | 1411 West Madison Street, CHICAGO, IL, 60607 |
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| Phone | 3127469268 |
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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 |
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| 1 | 1 | FB2 | 460.35000000 | | | 12.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 460.35000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DIVISION & CLARK (1200N & 100W), CHICAGO, COOK, IL | 41.90363889, -87.63200000 | -30.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 12.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 1411 W MADISON, CHICAGO, IL | | 3127469241 |
License history
| Date | File or call sign | Action |
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| 2011-09-03 | KNBM257 | LIEXP |
| 2011-06-21 | KNBM257 | ESURNW |
| 2011-06-01 | KNBM257 | ESURNW |
| 2011-05-02 | KNBM257 | ESURNW |
| 2011-04-04 | KNBM257 | LETRES |
| 2011-04-02 | KNBM257 | ESURNW |
| 2008-05-30 | KNBM257 | LIAUA |
| 2008-05-29 | KNBM257 | ESUAPR |
| 2008-05-01 | KNBM257 | ESUAPR |
| 2008-05-01 | KNBM257 | LIAUA |
| 2007-11-14 | KNBM257 | LIAUA |
| 2007-11-10 | KNBM257 | ESUAPR |
| 2007-07-09 | KNBM257 | LTSAPR |
| 2007-07-07 | KNBM257 | LIAUA |
| 2002-03-04 | KNBM257 | AUDOPR |
| 2001-07-12 | KNBM257 | LIREN |
| 2001-07-02 | KNBM257 | LETRES |
| 2000-10-20 | KNBM257 | LICCNV |
| 1996-08-20 | KNBM257 | LIREN |
| 1996-08-20 | KNBM257 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1253076 | 2026-08-02 01:18:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNBM257 | ULS 1253076 | 2026-08-02 01:18:50 |
| Status | E | ULS 1253076 | 2026-08-02 01:18:50 |
| Service | PW | ULS 1253076 | 2026-08-02 01:18:50 |
| Grant Date | 2001-07-12 | ULS 1253076 | 2026-08-02 01:18:50 |
| Expiration Date | 2011-07-01 | ULS 1253076 | 2026-08-02 01:18:50 |
| Cancellation Date | 2011-09-03 | ULS 1253076 | 2026-08-02 01:18:50 |