Universal Licensing System
WRDN987
MaassMarine
License details
| ULS identifier | 4170903 |
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| Call sign | WRDN987 |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2019-06-17 |
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| Expiration | 2029-06-17 |
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| Frequency range | 156.45 - 156.8 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | Marshfield, PLYMOUTH, MA |
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| Coordinates | 42.0819444, -70.6447222 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:14 |
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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 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8 Cherry Street, Marshfield, PLYMOUTH, MA | 42.08194444, -70.64472222 | 1.000 m | POLE | 14.000 m structure / 19.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 19.000 m | | 10.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8 Cherry St., Marshfield, MA | PLYMOUTH | 7818345242 |
| 2 | 256 Marginal Street, East Boston, MA | SUFFOLK | 6175678053 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-23 | WRDN987 | LIAUA |
| 2019-06-17 | WRDN987 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4170903 | 2026-08-02 02:08:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDN987 | ULS 4170903 | 2026-08-02 02:08:14 |
| Status | A | ULS 4170903 | 2026-08-02 02:08:14 |
| Service | MC | ULS 4170903 | 2026-08-02 02:08:14 |
| Grant Date | 2019-06-17 | ULS 4170903 | 2026-08-02 02:08:14 |
| Expiration Date | 2029-06-17 | ULS 4170903 | 2026-08-02 02:08:14 |