Universal Licensing System
WRWN266
CENTER CASS SCHOOL DISTRICT 66
License details
| ULS identifier | 4736117 |
|---|
| Call sign | WRWN266 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-03-10 |
|---|
| Expiration | 2033-03-10 |
|---|
| Frequency range | 451.6875 - 469.4375 MHz (10 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | DOWNERS GROVE, DUPAGE, IL |
|---|
| Coordinates | 41.7366667, -88.0080556 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:15:10 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 5 | 1 | MO | 451.68750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 452.13750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 452.41250000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 456.33750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 462.42500000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB | 463.52500000 | | | 45.000000 | 25.000000 | |
| 2 | 1 | MO | 463.52500000 | | | 45.000000 | 45.000000 | |
| 3 | 1 | FB2 | 464.43750000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 464.43750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 467.42500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 469.43750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 5 | 1 | 451.68750000 | | 7K60FXE |
| 5 | 1 | 451.68750000 | | 11K2F3E |
| 5 | 1 | 452.13750000 | | 7K60FXE |
| 5 | 1 | 452.13750000 | | 11K2F3E |
| 5 | 1 | 452.41250000 | | 7K60FXE |
| 5 | 1 | 452.41250000 | | 11K2F3E |
| 5 | 1 | 456.33750000 | | 7K60FXE |
| 5 | 1 | 456.33750000 | | 11K2F3E |
| 5 | 1 | 456.68750000 | | 11K2F3E |
| 5 | 1 | 456.68750000 | | 7K60FXE |
| 1 | 1 | 462.42500000 | | 7K60FXE |
| 1 | 1 | 462.42500000 | | 11K2F3E |
| 1 | 1 | 463.52500000 | | 7K60FXE |
| 1 | 1 | 463.52500000 | | 11K2F3E |
| 2 | 1 | 463.52500000 | | 7K60FXE |
| 2 | 1 | 463.52500000 | | 11K2F3E |
| 3 | 1 | 464.43750000 | | 7K60FXE |
| 3 | 1 | 464.43750000 | | 11K2F3E |
| 4 | 1 | 464.43750000 | | 7K60FXE |
| 4 | 1 | 464.43750000 | | 11K2F3E |
| 2 | 1 | 467.42500000 | | 11K2F3E |
| 2 | 1 | 467.42500000 | | 7K60FXE |
| 4 | 1 | 469.43750000 | | 7K60FXE |
| 4 | 1 | 469.43750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 699 PLAINFIELD ROAD, DOWNERS GROVE, DUPAGE, IL | 41.73666667, -88.00805556 | 229.000 m | BPOLE | 7.000 m structure / 9.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | 2000 MANNING ROAD, DARIEN, DUPAGE, IL | 41.74697222, -87.99566667 | 229.000 m | BANT | 12.000 m structure / 12.000 m overall | |
| 4 | T | | | | | | |
| 5 | T | Darien, DUPAGE, IL | 41.74694444, -87.99555556 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | 24.900 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 12.000 m | | | | 34.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 699 Plainfield Rd, Downers Grove, IL | DUPAGE | 6307835093 |
License history
| Date | File or call sign | Action |
|---|
| 2024-12-24 | WRWN266 | LETCNS |
| 2024-03-21 | WRWN266 | LIMOD |
| 2023-03-10 | WRWN266 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4736117 | 2026-08-02 01:15:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWN266 | ULS 4736117 | 2026-08-02 01:15:10 |
| Status | A | ULS 4736117 | 2026-08-02 01:15:10 |
| Service | IG | ULS 4736117 | 2026-08-02 01:15:10 |
| Grant Date | 2023-03-10 | ULS 4736117 | 2026-08-02 01:15:10 |
| Expiration Date | 2033-03-10 | ULS 4736117 | 2026-08-02 01:15:10 |