Universal Licensing System
WSIJ667
DuPage Public Safety Communications
License details
| ULS identifier | 5139669 |
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| Call sign | WSIJ667 |
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| Radio service | PF |
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| Status | A |
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| Grant date | 2025-05-20 |
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| Expiration | 2035-05-20 |
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| Frequency range | 4952.5 MHz |
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| Locations | 2 |
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| Representative location | Carol Stream, DUPAGE, IL |
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| Coordinates | 41.9160833, -88.1217500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:17 |
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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 | 4952.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 4952.50000000 | | 4M50G7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 500 N. Gary, Carol Stream, DUPAGE, IL | 41.91608333, -88.12175000 | 231.600 m | B | 12.100 m structure / 13.700 m overall | |
| 2 | R | | 41.93472222, -88.09916667 | 249.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium PTP-650 | | S | 23.0000 | 40.3000 | | |
| 1 | 2 | R | Cambium PTP-650 | | | 23.0000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 420 N. County Farm Rd, Wheaton, IL | DUPAGE | 6302607500 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-20 | WSIJ667 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 5139669 | 2026-08-02 02:47:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSIJ667 | ULS 5139669 | 2026-08-02 02:47:17 |
| Status | A | ULS 5139669 | 2026-08-02 02:47:17 |
| Service | PF | ULS 5139669 | 2026-08-02 02:47:17 |
| Grant Date | 2025-05-20 | ULS 5139669 | 2026-08-02 02:47:17 |
| Expiration Date | 2035-05-20 | ULS 5139669 | 2026-08-02 02:47:17 |