Universal Licensing System
WNKB486
E.F. MARSH ENGINEERING INC.
License details
| ULS identifier | 1660335 |
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| Call sign | WNKB486 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-08-09 |
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| Expiration | 2012-10-20 |
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| Cancellation | 2012-12-22 |
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| Frequency range | 461.25 MHz |
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| Locations | 1 |
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| Representative location | MT VERNON, LAWRENCE, MO |
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| Coordinates | 37.1111111, -93.8347222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 461.25000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 461.25000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 2 | T | MT VERNON, LAWRENCE, MO | 37.11111111, -93.83472222 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 561 STATE DRIVE, MOUNT VERNON, MO | LAWRENCE | 4174662774 |
License history
| Date | File or call sign | Action |
|---|
| 2012-12-22 | WNKB486 | LIEXP |
| 2012-07-30 | WNKB486 | LETRES |
| 2002-08-09 | WNKB486 | LIREN |
| 2002-07-29 | WNKB486 | LETRES |
| 2002-06-17 | WNKB486 | LIMOD |
| 2001-10-12 | WNKB486 | AUDOPR |
| 2000-11-23 | WNKB486 | LICCNV |
| 1997-09-16 | WNKB486 | AUTHPR |
| 1997-09-16 | WNKB486 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1660335 | 2026-08-02 01:13:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNKB486 | ULS 1660335 | 2026-08-02 01:13:07 |
| Status | E | ULS 1660335 | 2026-08-02 01:13:07 |
| Service | IG | ULS 1660335 | 2026-08-02 01:13:07 |
| Grant Date | 2002-08-09 | ULS 1660335 | 2026-08-02 01:13:07 |
| Expiration Date | 2012-10-20 | ULS 1660335 | 2026-08-02 01:13:07 |
| Cancellation Date | 2012-12-22 | ULS 1660335 | 2026-08-02 01:13:07 |