Universal Licensing System
WSJU278
CITY OF CHICAGO - OFFICE OF PUBLIC SAFETY ADMINISTRATION
License details
| ULS identifier | 5189053 |
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| Call sign | WSJU278 |
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| Radio service | PF |
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| Status | A |
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| Grant date | 2025-08-26 |
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| Expiration | 2035-08-26 |
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| Frequency range | 4950 MHz |
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| Locations | 5 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9111111, -87.6386111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-24 01:41:30 |
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Licensee
| Name | CITY OF CHICAGO - OFFICE OF PUBLIC SAFETY ADMINISTRATION |
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| Applicant type | G |
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| FRN | 0002833416 |
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| Location | CHICAGO, IL |
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| Address | 1411 W MADISON ST, CHICAGO, IL, 60607 |
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| Phone | 3127469225 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 4950.00000000 | | | | | |
| 1 | 2 | FXO | 4950.00000000 | | | | | |
| 1 | 3 | FXO | 4950.00000000 | | | | | |
| 1 | 4 | FXO | 4950.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4950.00000000 | | 18M1D7D |
| 1 | 2 | 4950.00000000 | | 18M1D7D |
| 1 | 3 | 4950.00000000 | | 18M1D7D |
| 1 | 4 | 4950.00000000 | | 18M1D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1600 N SEDGWICK ST, CHICAGO, COOK, IL | 41.91111111, -87.63861111 | 180.000 m | POLE | 10.000 m structure / 10.000 m overall | |
| 2 | R | | 41.91138889, -87.63305556 | 184.000 m | | | |
| 3 | R | | 41.91111111, -87.63472222 | 188.000 m | | | |
| 4 | R | | 41.91138889, -87.63138889 | 189.000 m | | | |
| 5 | R | | 41.91111111, -87.63222222 | 182.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | CAMBIUM 450I | | S | 17.0000 | 86.2000 | | |
| 1 | 2 | R | CAMBUIM PMP 450B MID-GAIN | | | 16.0000 | | | |
| 1 | 3 | R | CAMBUIM PMP 450B MID-GAIN | | | 16.0000 | | | |
| 1 | 4 | R | CAMBUIM PMP 450B MID-GAIN | | | 16.0000 | | | |
| 1 | 5 | R | CAMBUIM PMP 450B MID-GAIN | | | 16.0000 | | | |
| 2 | 1 | T | CAMBIUM 450I | | S | 17.0000 | 90.0000 | | |
| 3 | 1 | T | CAMBIUM 450I | | S | 17.0000 | 87.0000 | | |
| 4 | 1 | T | CAMBIUM 450I | | S | 17.0000 | 90.0000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1411 W MADISON ST, CHICAGO, IL | COOK | 3127469225 |
License history
| Date | File or call sign | Action |
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| 2025-08-26 | WSJU278 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 5189053 | 2026-08-24 01:41:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSJU278 | ULS 5189053 | 2026-08-24 01:41:30 |
| Status | A | ULS 5189053 | 2026-08-24 01:41:30 |
| Service | PF | ULS 5189053 | 2026-08-24 01:41:30 |
| Grant Date | 2025-08-26 | ULS 5189053 | 2026-08-24 01:41:30 |
| Expiration Date | 2035-08-26 | ULS 5189053 | 2026-08-24 01:41:30 |