Universal Licensing System
KNBG939
DuPage County Sheriff
License details
| ULS identifier | 1173575 |
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| Call sign | KNBG939 |
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| Radio service | GE |
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| Status | A |
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| Grant date | 2024-01-19 |
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| Expiration | 2034-04-05 |
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| Frequency range | 809.9625 - 854.9625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | DOWNERS GROVE, DUPAGE, IL |
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| Coordinates | 41.8305833, -88.0397778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:04 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 809.96250000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 854.96250000 | | | 125.000000 | 250.000000 | |
| 2 | 1 | MO | 854.96250000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 809.96250000 | | 20K0F3E |
| 1 | 1 | 854.96250000 | | 20K0F3E |
| 2 | 1 | 854.96250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BUTTERFIELD & LLOYD RDS, DOWNERS GROVE, DUPAGE, IL | 41.83058333, -88.03977778 | 229.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 88.000 m | | | | 88.000 | |
| 1 | 2 | T | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-19 | KNBG939 | LIREN |
| 2024-01-08 | KNBG939 | LETRES |
| 2022-09-08 | KNBG939 | LIAUA |
| 2020-02-10 | KNBG939 | COR |
| 2014-01-07 | KNBG939 | LIREN |
| 2014-01-05 | KNBG939 | ESURNW |
| 2007-10-11 | KNBG939 | LIAUA |
| 2007-10-10 | KNBG939 | ESUAPR |
| 2004-01-12 | KNBG939 | LETRES |
| 2001-02-28 | KNBG939 | LIAUA |
| 2000-10-19 | KNBG939 | LICCNV |
| 1999-01-13 | KNBG939 | AUTHPR |
| 1999-01-13 | KNBG939 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1173575 | 2026-08-02 01:17:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBG939 | ULS 1173575 | 2026-08-02 01:17:04 |
| Status | A | ULS 1173575 | 2026-08-02 01:17:04 |
| Service | GE | ULS 1173575 | 2026-08-02 01:17:04 |
| Grant Date | 2024-01-19 | ULS 1173575 | 2026-08-02 01:17:04 |
| Expiration Date | 2034-04-05 | ULS 1173575 | 2026-08-02 01:17:04 |