Universal Licensing System
WRBL456
NATIONAL GRID USA SERVICE COMPANY INC
License details
| ULS identifier | 4036346 |
|---|
| Call sign | WRBL456 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2018-04-19 |
|---|
| Expiration | 2028-04-19 |
|---|
| Frequency range | 928.70625 - 952.70625 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | ANDOVER, ESSEX, MA |
|---|
| Coordinates | 42.6550000, -71.2180556 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:48 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.70625000 | | | | | |
| 1 | 1 | FXO | 952.70625000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.70625000 | | 12K0D1D |
| 1 | 3 | 928.70625000 | | 12K0G1D |
| 1 | 3 | 928.70625000 | | 12K0D1D |
| 1 | 1 | 952.70625000 | | 12K0D1D |
| 1 | 1 | 952.70625000 | | 12K0G1D |
| 1 | 1 | 952.70625000 | | 12K0D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | OFF HAGGETTS POND ROAD (WOOD HILL), ANDOVER, ESSEX, MA | 42.65500000, -71.21805556 | 108.500 m | GTOWER | 73.200 m structure / 82.200 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope DB589Y | | V | 7.2000 | 360.0000 | | |
| 2 | 1 | R | PCTEL Bluewave BMYD890K (TR) | | | 12.2000 | | | |
| 3 | 1 | T | PCTEL Bluewave BMYD890K (TR) | | V | 12.2000 | 999.0000 | | |
| 4 | 1 | R | Commscope DB589Y | | | 7.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-23 | WRBL456 | LETCNS |
| 2018-04-19 | WRBL456 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4036346 | 2026-08-02 02:47:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBL456 | ULS 4036346 | 2026-08-02 02:47:48 |
| Status | A | ULS 4036346 | 2026-08-02 02:47:48 |
| Service | MG | ULS 4036346 | 2026-08-02 02:47:48 |
| Grant Date | 2018-04-19 | ULS 4036346 | 2026-08-02 02:47:48 |
| Expiration Date | 2028-04-19 | ULS 4036346 | 2026-08-02 02:47:48 |