Universal Licensing System
KNFQ646
ILLINOIS STATE POLICE
License details
| ULS identifier | 1254305 |
|---|
| Call sign | KNFQ646 |
|---|
| Radio service | PW |
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| Status | A |
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| Grant date | 2022-04-08 |
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| Expiration | 2032-05-18 |
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| Frequency range | 37.22 - 37.36 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | PARK RIDGE, COOK, IL |
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| Coordinates | 42.0016944, -87.8667222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-16 06:47:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 37.22000000 | | | 100.000000 | 95.000000 | |
| 1 | 1 | FB | 37.36000000 | | | 100.000000 | 95.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 37.22000000 | | 20K0F3E |
| 1 | 1 | 37.36000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ILLINOIS TOLL HIGHWAY AUTHORITY TOWER, PARK RIDGE, COOK, IL | 42.00169444, -87.86672222 | 195.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 34.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1301 Concordia Court, Sangamon, IL | SANGAMON | 2175582200 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-02 | KNFQ646 | LIAUA |
| 2022-04-08 | KNFQ646 | LIREN |
| 2022-03-19 | KNFQ646 | ESURNW |
| 2022-02-21 | KNFQ646 | LETRES |
| 2021-07-24 | KNFQ646 | LIAUA |
| 2021-06-23 | KNFQ646 | LIAUA |
| 2014-08-23 | KNFQ646 | LIAUA |
| 2014-08-22 | KNFQ646 | ESUAPR |
| 2012-04-10 | KNFQ646 | LIAUA |
| 2012-04-09 | KNFQ646 | ESUAPR |
| 2012-02-22 | KNFQ646 | LIREN |
| 2012-02-20 | KNFQ646 | LETRES |
| 2012-02-18 | KNFQ646 | ESURNW |
| 2010-02-11 | KNFQ646 | LIAUA |
| 2010-02-10 | KNFQ646 | ESUAPR |
| 2009-02-25 | KNFQ646 | LIAUA |
| 2009-02-24 | KNFQ646 | ESCAPR |
| 2002-04-30 | KNFQ646 | AUDOPR |
| 2002-02-20 | KNFQ646 | LIREN |
| 2002-02-19 | KNFQ646 | LETRES |
| 2000-10-20 | KNFQ646 | LICCNV |
| 1997-03-05 | KNFQ646 | LIREN |
| 1997-03-05 | KNFQ646 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1254305 | 2026-08-16 06:47:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFQ646 | ULS 1254305 | 2026-08-16 06:47:43 |
| Status | A | ULS 1254305 | 2026-08-16 06:47:43 |
| Service | PW | ULS 1254305 | 2026-08-16 06:47:43 |
| Grant Date | 2022-04-08 | ULS 1254305 | 2026-08-16 06:47:43 |
| Expiration Date | 2032-05-18 | ULS 1254305 | 2026-08-16 06:47:43 |