Universal Licensing System
WSGI450
CRYSTAL LAKE SCHOOL DISTRICT 47
License details
| ULS identifier | 5065981 |
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| Call sign | WSGI450 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-12-24 |
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| Expiration | 2034-12-24 |
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| Frequency range | 451.675 - 457.5875 MHz (6 frequencies) |
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| Locations | 6 |
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| Representative location | CRYSTAL LAKE, MCHENRY, IL |
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| Coordinates | 42.2237500, -88.3404167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.67500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 451.67500000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2 | 452.52500000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO | 452.52500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 452.58750000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | MO | 452.58750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.67500000 | | | 4.000000 | 4.000000 | |
| 6 | 1 | MO | 457.52500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 457.58750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.67500000 | | 7K60FXE |
| 2 | 1 | 451.67500000 | | 7K60FXE |
| 5 | 1 | 452.52500000 | | 7K60FXE |
| 6 | 1 | 452.52500000 | | 7K60FXE |
| 3 | 1 | 452.58750000 | | 7K60FXE |
| 4 | 1 | 452.58750000 | | 7K60FXE |
| 2 | 1 | 456.67500000 | | 7K60FXE |
| 6 | 1 | 457.52500000 | | 7K60FXE |
| 4 | 1 | 457.58750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 560 NASH RD., CRYSTAL LAKE, MCHENRY, IL | 42.22375000, -88.34041667 | 272.000 m | BANT | 8.000 m structure / 9.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | 651 VILLAGE RD., CRYSTAL LAKE, MCHENRY, IL | 42.19336111, -88.34416667 | 271.000 m | BANT | 5.000 m structure / 5.000 m overall | |
| 4 | T | | | | | | |
| 5 | T | 820 DARINGTON DRIVE, CRYSTAL LAKE, MCHENRY, IL | 42.21736111, -88.32808333 | 273.000 m | BANT | 7.000 m structure / 8.000 m overall | |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | 17.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 5.000 m | | | | 12.200 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 8.000 m | | | | 17.700 | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 300 COMMERCE DRIVE, CRYSTAL LAKE, IL | MCHENRY | 8157885000 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-23 | WSGI450 | LETCNS |
| 2024-12-24 | WSGI450 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5065981 | 2026-08-02 01:19:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSGI450 | ULS 5065981 | 2026-08-02 01:19:57 |
| Status | A | ULS 5065981 | 2026-08-02 01:19:57 |
| Service | IG | ULS 5065981 | 2026-08-02 01:19:57 |
| Grant Date | 2024-12-24 | ULS 5065981 | 2026-08-02 01:19:57 |
| Expiration Date | 2034-12-24 | ULS 5065981 | 2026-08-02 01:19:57 |