Universal Licensing System
WPZN404
License details
| ULS identifier | 2583992 |
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| Call sign | WPZN404 |
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| Radio service | CP |
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| Status | A |
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| Grant date | 2014-04-07 |
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| Expiration | 2024-02-09 |
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| Frequency range | 454.375 - 459.375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | EAST JORDAN, CHARLEVOIX, MI |
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| Coordinates | 45.1844444, -85.0925000 |
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| Source archive | l_market.zip |
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| Dataset refreshed | 2026-08-09 14:52:39 |
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Licensee
| Name | Tubergen, David |
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| Applicant type | I |
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| FRN | 0006711154 |
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| Location | Wayland, MI |
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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 | FBBS | 454.37500000 | | | 100.000000 | 250.000000 | |
| 2 | 1 | FBBS | 454.37500000 | | | 100.000000 | 250.000000 | |
| 1 | 1 | MO | 459.37500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 459.37500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 454.37500000 | | 7K60FXD |
| 1 | 1 | 454.37500000 | | 7K60FXE |
| 2 | 1 | 454.37500000 | | 7K60FXE |
| 2 | 1 | 454.37500000 | | 7K60FXD |
| 1 | 1 | 459.37500000 | | 7K60FXE |
| 1 | 1 | 459.37500000 | | 11K0F3E |
| 1 | 1 | 459.37500000 | | 7K60FXD |
| 2 | 1 | 459.37500000 | | 7K60FXE |
| 2 | 1 | 459.37500000 | | 11K0F3E |
| 2 | 1 | 459.37500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DUTCHMAN BAY RD, EAST JORDAN, CHARLEVOIX, MI | 45.18444444, -85.09250000 | 302.300 m | GTOWER | 115.800 m structure / 121.900 m overall | N |
| 2 | T | DOUGLAS RD, CHEBOYGAN, CHEBOYGAN, MI | 45.66666667, -84.63472222 | 240.800 m | GTOWER | 98.000 m structure / 101.200 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 67.100 m | | 8.8000 | | | |
| 1 | 2 | T | | 101.200 m | | 8.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-19 | WPZN404 | LIMOD |
| 2024-09-06 | WPZN404 | COR |
| 2024-08-02 | WPZN404 | COR |
| 2024-03-14 | WPZN404 | COR |
| 2024-03-13 | WPZN404 | LIREN |
| 2023-11-13 | WPZN404 | LETRES |
| 2014-04-11 | WPZN404 | AUTHPR |
| 2014-04-10 | WPZN404 | INTDUP |
| 2014-04-10 | WPZN404 | COR |
| 2014-04-07 | WPZN404 | LIREN |
| 2013-11-18 | WPZN404 | LETRES |
| 2008-11-11 | WPZN404 | LETCNS |
| 2004-02-09 | WPZN404 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 2583992 | 2026-08-09 14:52:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPZN404 | ULS 2583992 | 2026-08-09 14:52:39 |
| Status | A | ULS 2583992 | 2026-08-09 14:52:39 |
| Service | CP | ULS 2583992 | 2026-08-09 14:52:39 |
| Grant Date | 2014-04-07 | ULS 2583992 | 2026-08-09 14:52:39 |
| Expiration Date | 2024-02-09 | ULS 2583992 | 2026-08-09 14:52:39 |