Universal Licensing System
WNFB428
The Dow Chemical Company
License details
| ULS identifier | 1861271 |
|---|
| Call sign | WNFB428 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2015-01-21 |
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| Expiration | 2025-03-14 |
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| Cancellation | 2025-03-14 |
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| Frequency range | 451.925 - 456.925 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | LUDINGTON, MASON, MI |
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| Coordinates | 43.9213889, -86.4381389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.92500000 | | | 110.000000 | 330.000000 | |
| 2 | 1 | MO | 451.92500000 | | | 110.000000 | | |
| 2 | 1 | MO | 451.92500000 | | | 4.000000 | | |
| 2 | 1 | MO | 456.92500000 | | | 110.000000 | | |
| 2 | 1 | MO | 456.92500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.92500000 | | 11K2F3E |
| 2 | 1 | 451.92500000 | | 11K2F3E |
| 2 | 1 | 451.92500000 | | 11K2F3E |
| 2 | 1 | 456.92500000 | | 11K2F3E |
| 2 | 1 | 456.92500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | S MADISON ST, LUDINGTON, MASON, MI | 43.92138889, -86.43813889 | 242.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2030 Dow Center / 2020 Abbott Rd, Midland, MI | MIDLAND | 9896361000 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-15 | WNFB428 | LICAN |
| 2024-12-16 | WNFB428 | LETRES |
| 2022-09-17 | WNFB428 | LIAUA |
| 2022-09-01 | WNFB428 | LIASS |
| 2019-04-01 | WNFB428 | LITRAN |
| 2017-11-16 | WNFB428 | LIAUA |
| 2017-08-31 | WNFB428 | LITRAN |
| 2015-01-21 | WNFB428 | LIREN |
| 2015-01-06 | WNFB428 | LIMOD |
| 2015-01-05 | WNFB428 | ESUAPR |
| 2014-12-22 | WNFB428 | LETRES |
| 2012-12-18 | WNFB428 | LIMOD |
| 2012-12-17 | WNFB428 | ESUAPR |
| 2008-04-26 | WNFB428 | LIAUA |
| 2008-04-26 | WNFB428 | ESUAPR |
| 2004-12-31 | WNFB428 | LIREN |
| 2004-12-20 | WNFB428 | LETRES |
| 2002-02-21 | WNFB428 | AUDOPR |
| 2000-11-24 | WNFB428 | LICCNV |
| 2000-03-15 | WNFB428 | AUTHPR |
| 2000-03-14 | WNFB428 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1861271 | 2026-08-02 01:23:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNFB428 | ULS 1861271 | 2026-08-02 01:23:19 |
| Status | C | ULS 1861271 | 2026-08-02 01:23:19 |
| Service | IG | ULS 1861271 | 2026-08-02 01:23:19 |
| Grant Date | 2015-01-21 | ULS 1861271 | 2026-08-02 01:23:19 |
| Expiration Date | 2025-03-14 | ULS 1861271 | 2026-08-02 01:23:19 |
| Cancellation Date | 2025-03-14 | ULS 1861271 | 2026-08-02 01:23:19 |