Universal Licensing System
WRFU686
BOB, LLC
License details
| ULS identifier | 4276771 |
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| Call sign | WRFU686 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-05-05 |
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| Expiration | 2030-05-05 |
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| Frequency range | 17865 MHz |
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| Locations | 2 |
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| Representative location | Addison, DUPAGE, IL |
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| Coordinates | 41.9296944, -88.0346389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17865.00000000 | | | | | |
| 1 | 1 | FXO | 17865.00000000 | | | | | |
| 1 | 1 | FXO | 17865.00000000 | | | | | |
| 1 | 1 | FXO | 17865.00000000 | | | | | |
| 1 | 1 | FXO | 17865.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17865.00000000 | | 47M3D7W |
| 1 | 1 | 17865.00000000 | | 47M3D7W |
| 1 | 1 | 17865.00000000 | | 47M3D7W |
| 1 | 1 | 17865.00000000 | | 47M3D7W |
| 1 | 1 | 17865.00000000 | | 47M3D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 140 N Mitchell Ct, Addison, DUPAGE, IL | 41.92969444, -88.03463889 | 225.000 m | BMAST | 11.000 m structure / 13.000 m overall | |
| 2 | R | | 41.98755556, -88.01547222 | 210.200 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 | 13.9000 | | |
| 1 | 2 | R | RF Engineering & Energy R RFMA-1834UH03S | | | 34.2000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-04 | WRFU686 | LITRAN |
| 2025-08-01 | WRFU686 | LITRAN |
| 2025-04-23 | WRFU686 | LITRAN |
| 2024-05-11 | WRFU686 | LIAUA |
| 2020-10-24 | WRFU686 | LITRAN |
| 2020-09-21 | WRFU686 | LITRAN |
| 2020-08-05 | WRFU686 | LIAUA |
| 2020-05-05 | WRFU686 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4276771 | 2026-08-02 02:46:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFU686 | ULS 4276771 | 2026-08-02 02:46:54 |
| Status | A | ULS 4276771 | 2026-08-02 02:46:54 |
| Service | CF | ULS 4276771 | 2026-08-02 02:46:54 |
| Grant Date | 2020-05-05 | ULS 4276771 | 2026-08-02 02:46:54 |
| Expiration Date | 2030-05-05 | ULS 4276771 | 2026-08-02 02:46:54 |