Universal Licensing System
WPWK401
MONSANTO COMPANY, MASON RESEARCH STATION
License details
| ULS identifier | 2466117 |
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| Call sign | WPWK401 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-12-05 |
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| Expiration | 2012-12-05 |
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| Cancellation | 2013-02-09 |
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| Frequency range | 151.625 - 151.955 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | MASON, INGHAM, MI |
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| Coordinates | 42.5816667, -84.4438889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:44 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MOI | 151.62500000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MOI | 151.76000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 151.92500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 151.95500000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 151.62500000 | | 11K2F3E |
| 2 | 1 | 151.76000000 | | 11K2F3E |
| 1 | 1 | 151.92500000 | | 11K2F3E |
| 1 | 1 | 151.95500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MASON, INGHAM, MI | 42.58166667, -84.44388889 | 0.000 m | | | |
| 2 | T | | | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1440 OKEMOS ROAD, MASON, MI | INGHAM | 5176762479 |
License history
| Date | File or call sign | Action |
|---|
| 2013-02-09 | WPWK401 | LIEXP |
| 2012-09-10 | WPWK401 | LETRES |
| 2003-09-03 | WPWK401 | LETCNS |
| 2002-12-05 | WPWK401 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2466117 | 2026-08-02 01:14:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWK401 | ULS 2466117 | 2026-08-02 01:14:44 |
| Status | E | ULS 2466117 | 2026-08-02 01:14:44 |
| Service | IG | ULS 2466117 | 2026-08-02 01:14:44 |
| Grant Date | 2002-12-05 | ULS 2466117 | 2026-08-02 01:14:44 |
| Expiration Date | 2012-12-05 | ULS 2466117 | 2026-08-02 01:14:44 |
| Cancellation Date | 2013-02-09 | ULS 2466117 | 2026-08-02 01:14:44 |