Universal Licensing System
WRDU814
LARSEN MARINE SERVICE
License details
| ULS identifier | 4182978 |
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| Call sign | WRDU814 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-25 |
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| Expiration | 2029-07-25 |
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| Frequency range | 154.54 MHz |
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| Locations | 2 |
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| Representative location | WAUKEGAN, LAKE, IL |
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| Coordinates | 42.3650278, -87.8234167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:51 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 154.54000000 | | | 45.000000 | 90.000000 | |
| 2 | 1 | MO | 154.54000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.54000000 | | 11K2F3E |
| 2 | 1 | 154.54000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 625 SEA HORSE DR, WAUKEGAN, LAKE, IL | 42.36502778, -87.82341667 | 179.000 m | BANT | 12.800 m structure / 14.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | V | 3.0000 | 359.0000 | -3.500 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 625 SEA HORSE DR, WAUKEGAN, IL | LAKE | 8473365456 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-25 | WRDU814 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4182978 | 2026-08-02 01:16:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU814 | ULS 4182978 | 2026-08-02 01:16:51 |
| Status | A | ULS 4182978 | 2026-08-02 01:16:51 |
| Service | IG | ULS 4182978 | 2026-08-02 01:16:51 |
| Grant Date | 2019-07-25 | ULS 4182978 | 2026-08-02 01:16:51 |
| Expiration Date | 2029-07-25 | ULS 4182978 | 2026-08-02 01:16:51 |