Universal Licensing System
KNHM657
ILLINOIS STATE POLICE
License details
| ULS identifier | 1243172 |
|---|
| Call sign | KNHM657 |
|---|
| Radio service | PW |
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| Status | A |
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| Grant date | 2024-11-23 |
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| Expiration | 2035-01-30 |
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| Frequency range | 151.28 - 159.42 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | COLCHESTER, MCDONOUGH, IL |
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| Coordinates | 40.4544722, -90.8043056 |
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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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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 151.25000000 | | | 40.000000 | 35.000000 | |
| 1 | 1 | FB | 151.28000000 | | | 40.000000 | 35.000000 | |
| 1 | 1 | FB | 151.44500000 | | | 40.000000 | 35.000000 | |
| 1 | 2 | FX1 | 159.30000000 | | | 40.000000 | 35.000000 | |
| 1 | 2 | FX1 | 159.37500000 | | | 40.000000 | 35.000000 | |
| 1 | 2 | FX1 | 159.42000000 | | | 40.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.25000000 | | 11K2F3E |
| 1 | 1 | 151.28000000 | | 11K2F3E |
| 1 | 1 | 151.44500000 | | 11K2F3E |
| 1 | 2 | 159.30000000 | | 11K2F3E |
| 1 | 2 | 159.37500000 | | 11K2F3E |
| 1 | 2 | 159.42000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ARGYLE LAKE STATE PK 2 MI N, COLCHESTER, MCDONOUGH, IL | 40.45447222, -90.80430556 | 212.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
| 2 | 1 | T | | 22.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 801 S 7th St, Springfield, IL | SANGAMON | 2177827347 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-02 | KNHM657 | LIAUA |
| 2024-11-23 | KNHM657 | LIREN |
| 2024-11-04 | KNHM657 | LETRES |
| 2021-07-24 | KNHM657 | LIAUA |
| 2021-06-23 | KNHM657 | LIAUA |
| 2014-11-04 | KNHM657 | LIREN |
| 2014-11-03 | KNHM657 | LETRES |
| 2014-11-01 | KNHM657 | ESURNW |
| 2014-08-27 | KNHM657 | LIAUA |
| 2014-08-26 | KNHM657 | ESUAPR |
| 2013-02-20 | KNHM657 | LIMOD |
| 2013-02-19 | KNHM657 | ESUAPR |
| 2012-04-11 | KNHM657 | LIAUA |
| 2012-04-10 | KNHM657 | ESUAPR |
| 2010-12-03 | KNHM657 | LIMOD |
| 2010-09-28 | KNHM657 | ESUAPR |
| 2010-09-21 | KNHM657 | LIMOD |
| 2010-07-08 | KNHM657 | ESUAPR |
| 2010-02-17 | KNHM657 | LIAUA |
| 2010-02-16 | KNHM657 | ESUAPR |
| 2009-02-25 | KNHM657 | LIAUA |
| 2009-02-24 | KNHM657 | ESCAPR |
| 2005-01-24 | KNHM657 | ESCAPR |
| 2004-11-09 | KNHM657 | LIREN |
| 2004-11-08 | KNHM657 | LETRES |
| 2002-04-30 | KNHM657 | AUDOPR |
| 2000-10-20 | KNHM657 | LICCNV |
| 1999-11-30 | KNHM657 | AUTHPR |
| 1999-11-30 | KNHM657 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1243172 | 2026-08-02 01:13:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNHM657 | ULS 1243172 | 2026-08-02 01:13:20 |
| Status | A | ULS 1243172 | 2026-08-02 01:13:20 |
| Service | PW | ULS 1243172 | 2026-08-02 01:13:20 |
| Grant Date | 2024-11-23 | ULS 1243172 | 2026-08-02 01:13:20 |
| Expiration Date | 2035-01-30 | ULS 1243172 | 2026-08-02 01:13:20 |