Universal Licensing System
WRDB796
Business Only Broadband, LLC
License details
| ULS identifier | 4136593 |
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| Call sign | WRDB796 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2019-03-21 |
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| Expiration | 2029-03-21 |
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| Cancellation | 2020-10-09 |
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| Frequency range | 21525 MHz |
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| Locations | 2 |
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| Representative location | Roxbury, SUFFOLK, MA |
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| Coordinates | 42.3184444, -71.0815278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21525.00000000 | | | | | |
| 1 | 1 | FXO | 21525.00000000 | | | | | |
| 1 | 1 | FXO | 21525.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21525.00000000 | | 47M3D7W |
| 1 | 1 | 21525.00000000 | | 47M3D7W |
| 1 | 1 | 21525.00000000 | | 47M3D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 366 Warren St, Roxbury, SUFFOLK, MA | 42.31844444, -71.08152778 | 22.000 m | BMAST | 4.000 m structure / 7.000 m overall | |
| 2 | R | | 42.34722222, -71.08250000 | 3.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RF Engineering & Energy R RFMA-2341UH06S | | V | 40.5000 | 358.6000 | | |
| 1 | 2 | R | RF Engineering & Energy R RFMA-2336UH03S | | | 35.3000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-10-10 | WRDB796 | LICAN |
| 2020-08-05 | WRDB796 | LIAUA |
| 2020-06-23 | WRDB796 | LETCNS |
| 2019-03-21 | WRDB796 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4136593 | 2026-08-02 02:46:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB796 | ULS 4136593 | 2026-08-02 02:46:57 |
| Status | C | ULS 4136593 | 2026-08-02 02:46:57 |
| Service | CF | ULS 4136593 | 2026-08-02 02:46:57 |
| Grant Date | 2019-03-21 | ULS 4136593 | 2026-08-02 02:46:57 |
| Expiration Date | 2029-03-21 | ULS 4136593 | 2026-08-02 02:46:57 |
| Cancellation Date | 2020-10-09 | ULS 4136593 | 2026-08-02 02:46:57 |