Universal Licensing System
WSIT570
Blackrock Construction Company
License details
| ULS identifier | 5152514 |
|---|
| Call sign | WSIT570 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-06-18 |
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| Expiration | 2035-06-18 |
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| Frequency range | 452.6875 - 457.7125 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Calumet Park, COOK, IL |
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| Coordinates | 41.6578333, -87.6540000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.71250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.71250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.68750000 | | 11K0F3E |
| 1 | 1 | 452.68750000 | | 7K60FXE |
| 1 | 1 | 452.71250000 | | 11K0F3E |
| 1 | 1 | 452.71250000 | | 7K60FXE |
| 1 | 1 | 456.36250000 | | 7K60FXE |
| 1 | 1 | 456.36250000 | | 11K0F3E |
| 1 | 1 | 457.68750000 | | 11K0F3E |
| 1 | 1 | 457.68750000 | | 7K60FXE |
| 1 | 1 | 457.71250000 | | 11K0F3E |
| 1 | 1 | 457.71250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Calumet Park, COOK, IL | 41.65783333, -87.65400000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 12900 S. Throop St., Calumet Park, IL | COOK | 3129754162 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-17 | WSIT570 | LETCNS |
| 2025-06-18 | WSIT570 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5152514 | 2026-08-02 01:24:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIT570 | ULS 5152514 | 2026-08-02 01:24:14 |
| Status | A | ULS 5152514 | 2026-08-02 01:24:14 |
| Service | IG | ULS 5152514 | 2026-08-02 01:24:14 |
| Grant Date | 2025-06-18 | ULS 5152514 | 2026-08-02 01:24:14 |
| Expiration Date | 2035-06-18 | ULS 5152514 | 2026-08-02 01:24:14 |