Universal Licensing System
WRWV307
Merrimac Municipal Light Department
License details
| ULS identifier | 4746813 |
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| Call sign | WRWV307 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-03-31 |
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| Expiration | 2033-03-31 |
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| Frequency range | 453.6875 - 458.6875 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | Merrimac, ESSEX, MA |
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| Coordinates | 42.8255278, -71.0132500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:24 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 453.68750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 453.68750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 458.25000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 458.63750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 458.68750000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | FX1 | 458.68750000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.68750000 | | 7K60F1E |
| 2 | 1 | 453.68750000 | | 7K60F1E |
| 2 | 1 | 458.25000000 | | 7K60F1E |
| 2 | 1 | 458.63750000 | | 7K60F1E |
| 2 | 1 | 458.68750000 | | 7K60F1E |
| 3 | 1 | 458.68750000 | | 7K60F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | end of Mountain View Avenue, Merrimac, ESSEX, MA | 42.82552778, -71.01325000 | 72.200 m | TANK | 36.600 m structure / 42.700 m overall | |
| 2 | T | | | | | | N |
| 3 | T | ESSEX, MA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 42.700 m | | | | 80.300 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 10 West Street, Merrimac, MA | ESSEX | 9783468311 |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-04 | WRWV307 | LETCNS |
| 2023-11-01 | WRWV307 | LIMOD |
| 2023-03-31 | WRWV307 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4746813 | 2026-08-02 01:23:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWV307 | ULS 4746813 | 2026-08-02 01:23:24 |
| Status | A | ULS 4746813 | 2026-08-02 01:23:24 |
| Service | PW | ULS 4746813 | 2026-08-02 01:23:24 |
| Grant Date | 2023-03-31 | ULS 4746813 | 2026-08-02 01:23:24 |
| Expiration Date | 2033-03-31 | ULS 4746813 | 2026-08-02 01:23:24 |