Universal Licensing System
WROK788
OCS JOINT VENTURE LLC
License details
| ULS identifier | 4516954 |
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| Call sign | WROK788 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-10-29 |
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| Expiration | 2031-10-29 |
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| Frequency range | 457.05 - 468.25 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8955556, -87.6281944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:02 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 457.05000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.10000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.22500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.25000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 468.25000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 457.05000000 | | 7K60F1W |
| 1 | 1 | 457.10000000 | | 7K60F1W |
| 1 | 1 | 457.22500000 | | 7K60F1W |
| 1 | 1 | 457.25000000 | | 7K60F1W |
| 1 | 1 | 468.25000000 | | 7K60F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CHICAGO, COOK, IL | 41.89555556, -87.62819444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 908 N HALSTED, CHICAGO, IL | COOK | 3126429797 |
| 2 | 14 W SUPERIOR, CHICAGO, IL | COOK | 3126429797 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-29 | WROK788 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4516954 | 2026-08-02 01:23:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROK788 | ULS 4516954 | 2026-08-02 01:23:02 |
| Status | A | ULS 4516954 | 2026-08-02 01:23:02 |
| Service | IG | ULS 4516954 | 2026-08-02 01:23:02 |
| Grant Date | 2021-10-29 | ULS 4516954 | 2026-08-02 01:23:02 |
| Expiration Date | 2031-10-29 | ULS 4516954 | 2026-08-02 01:23:02 |