Universal Licensing System
WRDB392
BOB, LLC
License details
| ULS identifier | 4135456 |
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| Call sign | WRDB392 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2019-03-19 |
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| Expiration | 2029-03-19 |
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| Cancellation | 2025-07-22 |
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| Frequency range | 10735 MHz |
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| Locations | 2 |
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| Representative location | Ashburn, LOUDOUN, VA |
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| Coordinates | 39.0061667, -77.4877500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
| 1 | 1 | FXO | 10735.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10735.00000000 | | 37M8D7W |
| 1 | 1 | 10735.00000000 | | 37M8D7W |
| 1 | 1 | 10735.00000000 | | 37M8D7W |
| 1 | 1 | 10735.00000000 | | 37M8D7W |
| 1 | 1 | 10735.00000000 | | 37M8D7W |
| 1 | 1 | 10735.00000000 | | 37M8D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 43751 Central Station Dr, Ashburn, LOUDOUN, VA | 39.00616667, -77.48775000 | 89.000 m | BMAST | 23.000 m structure / 25.000 m overall | |
| 2 | R | | 38.94947222, -77.35511111 | 144.000 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-1135UH06S | | V | 34.5000 | 118.7000 | | |
| 1 | 2 | R | RF Engineering & Energy R RFMA-1135UH06S | | | 34.5000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-23 | WRDB392 | LICAN |
| 2025-04-23 | WRDB392 | LITRAN |
| 2024-05-11 | WRDB392 | LIAUA |
| 2020-10-24 | WRDB392 | LITRAN |
| 2020-09-21 | WRDB392 | LITRAN |
| 2020-08-05 | WRDB392 | LIAUA |
| 2019-03-19 | WRDB392 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135456 | 2026-08-02 02:47:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB392 | ULS 4135456 | 2026-08-02 02:47:01 |
| Status | C | ULS 4135456 | 2026-08-02 02:47:01 |
| Service | CF | ULS 4135456 | 2026-08-02 02:47:01 |
| Grant Date | 2019-03-19 | ULS 4135456 | 2026-08-02 02:47:01 |
| Expiration Date | 2029-03-19 | ULS 4135456 | 2026-08-02 02:47:01 |
| Cancellation Date | 2025-07-22 | ULS 4135456 | 2026-08-02 02:47:01 |