Universal Licensing System
KNHW231
LUDINGTON CONCRETE PRODUCTS
License details
| ULS identifier | 1626860 |
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| Call sign | KNHW231 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-03-02 |
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| Expiration | 2013-11-22 |
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| Cancellation | 2014-01-25 |
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| Frequency range | 31.2 MHz |
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| Locations | 2 |
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| Representative location | LUDINGTON, MASON, MI |
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| Coordinates | 43.9350000, -86.4148056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 31.20000000 | | | 50.000000 | 90.000000 | |
| 2 | 1 | MO | 31.20000000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 31.20000000 | | 20K0F3E |
| 2 | 1 | 31.20000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 280 S PERE MARQUETTE, LUDINGTON, MASON, MI | 43.93500000, -86.41480556 | 198.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 280 S PERE MARQUETTE, LUDINGTON, MI | | 6168455196 |
License history
| Date | File or call sign | Action |
|---|
| 2014-01-25 | KNHW231 | LIEXP |
| 2013-08-26 | KNHW231 | LETRES |
| 2004-03-02 | KNHW231 | LIREN |
| 2003-08-25 | KNHW231 | LETRES |
| 2001-10-05 | KNHW231 | AUDOPR |
| 2000-11-23 | KNHW231 | LICCNV |
| 1998-10-20 | KNHW231 | LIREN |
| 1998-10-20 | KNHW231 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1626860 | 2026-08-02 01:08:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNHW231 | ULS 1626860 | 2026-08-02 01:08:43 |
| Status | E | ULS 1626860 | 2026-08-02 01:08:43 |
| Service | IG | ULS 1626860 | 2026-08-02 01:08:43 |
| Grant Date | 2004-03-02 | ULS 1626860 | 2026-08-02 01:08:43 |
| Expiration Date | 2013-11-22 | ULS 1626860 | 2026-08-02 01:08:43 |
| Cancellation Date | 2014-01-25 | ULS 1626860 | 2026-08-02 01:08:43 |