Universal Licensing System
WRDJ441
BOB, LLC
License details
| ULS identifier | 4159578 |
|---|
| Call sign | WRDJ441 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2019-05-13 |
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| Expiration | 2029-05-13 |
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| Frequency range | 22025 MHz |
|---|
| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.9045833, -87.6542222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:52 |
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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 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 22025.00000000 | | 47M3D7W |
| 1 | 1 | 22025.00000000 | | 47M3D7W |
| 1 | 1 | 22025.00000000 | | 47M3D7W |
| 1 | 1 | 22025.00000000 | | 47M3D7W |
| 1 | 1 | 22025.00000000 | | 47M3D7W |
| 1 | 1 | 22025.00000000 | | 47M3D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1030 W. Division St., Chicago, COOK, IL | 41.90458333, -87.65422222 | 179.000 m | BMAST | 11.000 m structure / 14.000 m overall | |
| 2 | R | | 41.87900000, -87.63727778 | 177.000 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-2341UH06S | | H | 40.5000 | 153.7000 | | |
| 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 | WRDJ441 | LITRAN |
| 2025-08-01 | WRDJ441 | LITRAN |
| 2025-04-23 | WRDJ441 | LITRAN |
| 2024-05-11 | WRDJ441 | LIAUA |
| 2020-10-24 | WRDJ441 | LITRAN |
| 2020-09-21 | WRDJ441 | LITRAN |
| 2020-08-05 | WRDJ441 | LIAUA |
| 2019-05-13 | WRDJ441 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4159578 | 2026-08-02 02:46:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDJ441 | ULS 4159578 | 2026-08-02 02:46:52 |
| Status | A | ULS 4159578 | 2026-08-02 02:46:52 |
| Service | CF | ULS 4159578 | 2026-08-02 02:46:52 |
| Grant Date | 2019-05-13 | ULS 4159578 | 2026-08-02 02:46:52 |
| Expiration Date | 2029-05-13 | ULS 4159578 | 2026-08-02 02:46:52 |