Universal Licensing System
KWK397
NORTHERN FS INC
License details
| ULS identifier | 1857974 |
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| Call sign | KWK397 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-07-11 |
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| Expiration | 2011-07-10 |
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| Cancellation | 2011-09-10 |
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| Frequency range | 451.95 - 456.95 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WOODSTOCK, MCHENRY, IL |
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| Coordinates | 42.3039167, -88.4289722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:48 |
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Licensee
| Name | NORTHERN FS INC |
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| Applicant type | C |
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| FRN | 0002841708 |
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| Location | WOODSTOCK, IL |
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| Address | 1001 S EASTWOOD DR, WOODSTOCK, IL, 60098 |
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| Phone | 8153385543 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 451.95000000 | | | 75.000000 | 157.000000 | |
| 1 | 1 | FX1 | 456.95000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 456.95000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.95000000 | | 20K0F3E |
| 1 | 1 | 456.95000000 | | 20K0F3E |
| 3 | 1 | 456.95000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | IL | | | | | |
| 2 | T | 1606 S RT 47, WOODSTOCK, MCHENRY, IL | 42.30391667, -88.42897222 | 287.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 76.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1606 S RT 47, WOODSTOCK, IL | | 8153385543 |
License history
| Date | File or call sign | Action |
|---|
| 2011-09-10 | KWK397 | LIEXP |
| 2011-04-18 | KWK397 | LETRES |
| 2001-11-05 | KWK397 | AUDOPR |
| 2001-07-11 | KWK397 | LIREN |
| 2001-04-16 | KWK397 | LETRES |
| 2000-11-24 | KWK397 | LICCNV |
| 1996-05-07 | KWK397 | AUTHPR |
| 1996-05-07 | KWK397 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1857974 | 2026-08-02 01:10:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KWK397 | ULS 1857974 | 2026-08-02 01:10:48 |
| Status | E | ULS 1857974 | 2026-08-02 01:10:48 |
| Service | IG | ULS 1857974 | 2026-08-02 01:10:48 |
| Grant Date | 2001-07-11 | ULS 1857974 | 2026-08-02 01:10:48 |
| Expiration Date | 2011-07-10 | ULS 1857974 | 2026-08-02 01:10:48 |
| Cancellation Date | 2011-09-10 | ULS 1857974 | 2026-08-02 01:10:48 |