Universal Licensing System
WROJ581
WHDH-TV
License details
| ULS identifier | 4515048 |
|---|
| Call sign | WROJ581 |
|---|
| Radio service | MG |
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| Status | A |
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| Grant date | 2021-10-25 |
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| Expiration | 2031-10-25 |
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| Frequency range | 21985 MHz |
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| Locations | 2 |
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| Representative location | Boston, SUFFOLK, MA |
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| Coordinates | 42.3621667, -71.0598056 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
| 1 | 1 | FXO | 21985.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
| 1 | 1 | 21985.00000000 | | 30M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 100 Sudbury St, Boston, SUFFOLK, MA | 42.36216667, -71.05980556 | 5.200 m | B | 164.000 m structure / 164.000 m overall | |
| 2 | R | | 42.36188889, -71.06113889 | 7.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP1-23C | | V | 35.6000 | 254.3000 | | |
| 1 | 2 | R | Commscope VHLP1-23C | | | 35.6000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-15 | WROJ581 | LIAUA |
| 2022-05-18 | WROJ581 | LIMOD |
| 2021-10-25 | WROJ581 | COR |
| 2021-10-25 | WROJ581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4515048 | 2026-08-02 02:43:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROJ581 | ULS 4515048 | 2026-08-02 02:43:50 |
| Status | A | ULS 4515048 | 2026-08-02 02:43:50 |
| Service | MG | ULS 4515048 | 2026-08-02 02:43:50 |
| Grant Date | 2021-10-25 | ULS 4515048 | 2026-08-02 02:43:50 |
| Expiration Date | 2031-10-25 | ULS 4515048 | 2026-08-02 02:43:50 |