Universal Licensing System
WRDS261
BOB, LLC
License details
| ULS identifier | 4177776 |
|---|
| Call sign | WRDS261 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-07-09 |
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| Expiration | 2029-07-09 |
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| Frequency range | 22025 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.8654167, -87.6670000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:00 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 22025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 22025.00000000 | | 45M8D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1600 W. 13th St., Chicago, COOK, IL | 41.86541667, -87.66700000 | 180.000 m | BMAST | 7.000 m structure / 10.000 m overall | |
| 2 | R | | 41.88166667, -87.64750000 | 178.300 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 | 41.9000 | | |
| 1 | 2 | R | RF Engineering & Energy R RFMA-2336UH03S | | | 35.3000 | 0.0000 | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-04 | WRDS261 | LITRAN |
| 2025-08-01 | WRDS261 | LITRAN |
| 2025-04-23 | WRDS261 | LITRAN |
| 2024-05-11 | WRDS261 | LIAUA |
| 2020-10-24 | WRDS261 | LITRAN |
| 2020-09-21 | WRDS261 | LITRAN |
| 2020-08-05 | WRDS261 | LIAUA |
| 2019-07-09 | WRDS261 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4177776 | 2026-08-02 02:47:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDS261 | ULS 4177776 | 2026-08-02 02:47:00 |
| Status | A | ULS 4177776 | 2026-08-02 02:47:00 |
| Service | CF | ULS 4177776 | 2026-08-02 02:47:00 |
| Grant Date | 2019-07-09 | ULS 4177776 | 2026-08-02 02:47:00 |
| Expiration Date | 2029-07-09 | ULS 4177776 | 2026-08-02 02:47:00 |