Universal Licensing System
WNFV490
MADSEN JOHNSON CORP
License details
| ULS identifier | 1861655 |
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| Call sign | WNFV490 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-07-25 |
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| Expiration | 2001-09-13 |
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| Cancellation | 2002-02-17 |
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| Frequency range | 451.775 MHz |
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| Locations | 3 |
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| Representative location | HUDSON, ST. CROIX, WI |
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| Coordinates | 44.9694167, -92.7440833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:39 |
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Licensee
| Name | MADSEN JOHNSON CORP |
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| Applicant type | C |
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| FRN | 0002703080 |
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| Location | HUDSON, WI |
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| Address | 901 INDUSTRIAL ST, HUDSON, WI, 54016 |
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| Phone | 6124365281 |
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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 | FB | 451.77500000 | | | 25.000000 | 75.000000 | |
| 2 | 1 | MO | 451.77500000 | | | 5.000000 | | |
| 3 | 1 | FBT | 451.77500000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.77500000 | | 20K0F3E |
| 2 | 1 | 451.77500000 | | 20K0F3E |
| 3 | 1 | 451.77500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 901 INDUSTRIAL ST, HUDSON, ST. CROIX, WI | 44.96941667, -92.74408333 | 227.000 m | | 20.000 m structure / 20.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 23.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 901 INDUSTRIAL ST, HUDSON, WI | | 6124365281 |
License history
| Date | File or call sign | Action |
|---|
| 2002-02-17 | WNFV490 | LIEXP |
| 2001-09-27 | WNFV490 | LETAUS |
| 2001-06-18 | WNFV490 | LETRES |
| 2000-11-24 | WNFV490 | LICCNV |
| 1996-07-25 | WNFV490 | LIREN |
| 1996-07-25 | WNFV490 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1861655 | 2026-08-02 01:11:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNFV490 | ULS 1861655 | 2026-08-02 01:11:39 |
| Status | E | ULS 1861655 | 2026-08-02 01:11:39 |
| Service | IG | ULS 1861655 | 2026-08-02 01:11:39 |
| Grant Date | 1996-07-25 | ULS 1861655 | 2026-08-02 01:11:39 |
| Expiration Date | 2001-09-13 | ULS 1861655 | 2026-08-02 01:11:39 |
| Cancellation Date | 2002-02-17 | ULS 1861655 | 2026-08-02 01:11:39 |