Universal Licensing System
WSIJ726
DuPage Public Safety Communications
License details
| ULS identifier | 5139730 |
|---|
| Call sign | WSIJ726 |
|---|
| Radio service | PF |
|---|
| Status | A |
|---|
| Grant date | 2025-05-20 |
|---|
| Expiration | 2035-05-20 |
|---|
| Frequency range | 4957.5 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Lombard, DUPAGE, IL |
|---|
| Coordinates | 41.8659722, -88.0115000 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:17 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 4957.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4957.50000000 | | 4M50G7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 235 E Wilson Ave, Lombard, DUPAGE, IL | 41.86597222, -88.01150000 | 224.900 m | LTOWER | 24.300 m structure / 29.200 m overall | |
| 2 | R | | 41.92277778, -87.94833333 | 208.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium PTP-670 | | S | 23.0000 | 39.6000 | | |
| 1 | 2 | R | Cambium PTP-670 | | | 23.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 420 N. County Farm Rd, Wheaton, IL | DUPAGE | 6302607500 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-20 | WSIJ726 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5139730 | 2026-08-02 02:47:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIJ726 | ULS 5139730 | 2026-08-02 02:47:17 |
| Status | A | ULS 5139730 | 2026-08-02 02:47:17 |
| Service | PF | ULS 5139730 | 2026-08-02 02:47:17 |
| Grant Date | 2025-05-20 | ULS 5139730 | 2026-08-02 02:47:17 |
| Expiration Date | 2035-05-20 | ULS 5139730 | 2026-08-02 02:47:17 |