Universal Licensing System
WRTA380
Interlake Maritime Services
License details
| ULS identifier | 4612957 |
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| Call sign | WRTA380 |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2022-05-25 |
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| Expiration | 2032-05-25 |
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| Frequency range | 156.8 - 156.975 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | Ludington, MASON, MI |
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| Coordinates | 43.9490556, -86.4500278 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:29 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.45000000 | | | 25.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 25.000000 | | |
| 1 | 1 | FCL | 156.97500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
| 1 | 1 | 156.97500000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 701 Maritime Dr, Ludington, MASON, MI | 43.94905556, -86.45002778 | 177.700 m | LTOWER | 59.400 m structure / 60.300 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 60.000 m | V | 6.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 701 Maritime Dr, MI | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-01-09 | WRTA380 | LIMOD |
| 2022-12-02 | WRTA380 | LIMOD |
| 2022-11-02 | WRTA380 | LIAUA |
| 2022-05-25 | WRTA380 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4612957 | 2026-08-02 02:08:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTA380 | ULS 4612957 | 2026-08-02 02:08:29 |
| Status | A | ULS 4612957 | 2026-08-02 02:08:29 |
| Service | MC | ULS 4612957 | 2026-08-02 02:08:29 |
| Grant Date | 2022-05-25 | ULS 4612957 | 2026-08-02 02:08:29 |
| Expiration Date | 2032-05-25 | ULS 4612957 | 2026-08-02 02:08:29 |