Universal Licensing System
WSIW404
MODERN AVIATION
License details
| ULS identifier | 5156453 |
|---|
| Call sign | WSIW404 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-06-26 |
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| Expiration | 2035-06-26 |
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| Frequency range | 451.4125 - 452.3125 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | TRENTON, HANCOCK, ME |
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| Coordinates | 44.4425000, -68.3647222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.66250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.66250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.31250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.41250000 | | 7K60FXE |
| 1 | 1 | 451.41250000 | | 7K60FXD |
| 1 | 1 | 451.63750000 | | 7K60FXD |
| 1 | 1 | 451.63750000 | | 7K60FXE |
| 1 | 1 | 451.66250000 | | 7K60FXD |
| 1 | 1 | 451.66250000 | | 7K60FXE |
| 1 | 1 | 451.66250000 | | 7K60FXD |
| 1 | 1 | 451.66250000 | | 7K60FXE |
| 1 | 1 | 452.31250000 | | 7K60FXD |
| 1 | 1 | 452.31250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TRENTON, HANCOCK, ME | 44.44250000, -68.36472222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 112 CARUSO DR, TRENTON, ME | HANCOCK | 2076675534 |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-26 | WSIW404 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5156453 | 2026-08-02 01:24:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIW404 | ULS 5156453 | 2026-08-02 01:24:11 |
| Status | A | ULS 5156453 | 2026-08-02 01:24:11 |
| Service | IG | ULS 5156453 | 2026-08-02 01:24:11 |
| Grant Date | 2025-06-26 | ULS 5156453 | 2026-08-02 01:24:11 |
| Expiration Date | 2035-06-26 | ULS 5156453 | 2026-08-02 01:24:11 |