Universal Licensing System
WRDB630
BOB, LLC
License details
| ULS identifier | 4136003 |
|---|
| Call sign | WRDB630 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-03-20 |
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| Expiration | 2029-03-20 |
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| Frequency range | 17760 MHz |
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| Locations | 1 |
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| Coordinates | 41.8005556, -88.2361111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:58 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17760.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17760.00000000 | | 37M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1060 S. Frontenac St, Naperville, DUPAGE, IL | 41.73741667, -88.22922222 | 215.000 m | BMAST | 8.000 m structure / 11.000 m overall | |
| 2 | R | | 41.80055556, -88.23611111 | 224.100 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-1839UH06S | | V | 38.9000 | 355.3000 | | |
| 1 | 2 | R | RF Engineering & Energy R RFMA-1834UH03S | | | 34.2000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-04 | WRDB630 | LITRAN |
| 2025-08-01 | WRDB630 | LITRAN |
| 2025-04-23 | WRDB630 | LITRAN |
| 2024-05-11 | WRDB630 | LIAUA |
| 2020-10-24 | WRDB630 | LITRAN |
| 2020-09-21 | WRDB630 | LITRAN |
| 2020-08-05 | WRDB630 | LIAUA |
| 2020-06-23 | WRDB630 | LETCNS |
| 2019-03-20 | WRDB630 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4136003 | 2026-08-02 02:46:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB630 | ULS 4136003 | 2026-08-02 02:46:58 |
| Status | A | ULS 4136003 | 2026-08-02 02:46:58 |
| Service | CF | ULS 4136003 | 2026-08-02 02:46:58 |
| Grant Date | 2019-03-20 | ULS 4136003 | 2026-08-02 02:46:58 |
| Expiration Date | 2029-03-20 | ULS 4136003 | 2026-08-02 02:46:58 |