Universal Licensing System
WSJH490
GROTON, TOWN OF
License details
| ULS identifier | 5172575 |
|---|
| Call sign | WSJH490 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2025-07-25 |
|---|
| Expiration | 2035-07-25 |
|---|
| Frequency range | 154.055 - 159 MHz (7 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | GROTON, MIDDLESEX, MA |
|---|
| Coordinates | 42.6103611, -71.5572778 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:31 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 154.05500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 154.05500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 154.68000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 155.47500000 | | | 50.000000 | 50.000000 | |
| 1 | 2 | FB2 | 155.58000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 155.58000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 155.98500000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1 | 155.98500000 | | | 15.000000 | 10.000000 | |
| 1 | 1 | FB | 156.18000000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 156.18000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 159.00000000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | FX1 | 159.00000000 | | | 15.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.05500000 | | 8K10F1E |
| 1 | 1 | 154.05500000 | | 11K2F3E |
| 2 | 1 | 154.05500000 | | 8K10F1E |
| 2 | 1 | 154.05500000 | | 11K2F3E |
| 2 | 1 | 154.68000000 | | 8K10F1E |
| 2 | 1 | 154.68000000 | | 11K2F3E |
| 2 | 1 | 155.47500000 | | 11K2F3E |
| 2 | 1 | 155.47500000 | | 8K10F1E |
| 1 | 2 | 155.58000000 | | 8K10F1E |
| 1 | 2 | 155.58000000 | | 11K2F3E |
| 2 | 1 | 155.58000000 | | 11K2F3E |
| 2 | 1 | 155.58000000 | | 8K10F1E |
| 2 | 1 | 155.98500000 | | 11K2F3E |
| 2 | 1 | 155.98500000 | | 8K10F1E |
| 3 | 1 | 155.98500000 | | 8K10F1E |
| 3 | 1 | 155.98500000 | | 11K2F3E |
| 1 | 1 | 156.18000000 | | 8K10F1E |
| 1 | 1 | 156.18000000 | | 11K2F3E |
| 2 | 1 | 156.18000000 | | 11K2F3E |
| 2 | 1 | 156.18000000 | | 8K10F1E |
| 2 | 1 | 159.00000000 | | 8K10F1E |
| 2 | 1 | 159.00000000 | | 11K2F3E |
| 3 | 1 | 159.00000000 | | 11K2F3E |
| 3 | 1 | 159.00000000 | | 8K10F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GIBBETT HILL OFF RT 40, GROTON, MIDDLESEX, MA | 42.61036111, -71.55727778 | 155.000 m | LTOWER | 36.500 m structure / 42.600 m overall | |
| 2 | T | | | | | | |
| 3 | T | MA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 88.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 2 | 1 | T | | 24.000 m | | | | 90.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 99 Pleasant St, Groton, MA | MIDDLESEX | 9784485555 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-25 | WSJH490 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5172575 | 2026-08-02 01:11:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSJH490 | ULS 5172575 | 2026-08-02 01:11:31 |
| Status | A | ULS 5172575 | 2026-08-02 01:11:31 |
| Service | PW | ULS 5172575 | 2026-08-02 01:11:31 |
| Grant Date | 2025-07-25 | ULS 5172575 | 2026-08-02 01:11:31 |
| Expiration Date | 2035-07-25 | ULS 5172575 | 2026-08-02 01:11:31 |