Universal Licensing System
WSIW421
COAL CITY FIRE PROTECTION DISTRICT
License details
| ULS identifier | 5156470 |
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| Call sign | WSIW421 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2025-06-26 |
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| Expiration | 2035-06-26 |
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| Frequency range | 154.205 - 158.8725 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | COAL CITY, GRUNDY, IL |
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| Coordinates | 41.2816944, -88.2842222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:46 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 154.20500000 | | | 50.000000 | 90.000000 | |
| 2 | 1 | MO | 154.20500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB | 154.26500000 | | | 50.000000 | 90.000000 | |
| 2 | 1 | MO | 154.26500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB | 154.40000000 | | | 50.000000 | 90.000000 | |
| 2 | 1 | MO | 154.40000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB | 158.87250000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 158.87250000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.20500000 | | 11K2F3E |
| 2 | 1 | 154.20500000 | | 11K2F3E |
| 1 | 1 | 154.26500000 | | 11K2F3E |
| 2 | 1 | 154.26500000 | | 11K2F3E |
| 1 | 1 | 154.40000000 | | 11K2F3E |
| 2 | 1 | 154.40000000 | | 11K2F3E |
| 1 | 1 | 158.87250000 | | 11K2F3E |
| 2 | 1 | 158.87250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 35 S DEWITT, COAL CITY, GRUNDY, IL | 41.28169444, -88.28422222 | 158.000 m | B | 16.000 m structure / 16.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | 3.400 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 35 S DEWITT, COAL CITY, IL | GRUNDY | 8156344700 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-31 | WSIW421 | LETCNS |
| 2025-06-26 | WSIW421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5156470 | 2026-08-02 01:16:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSIW421 | ULS 5156470 | 2026-08-02 01:16:46 |
| Status | A | ULS 5156470 | 2026-08-02 01:16:46 |
| Service | PW | ULS 5156470 | 2026-08-02 01:16:46 |
| Grant Date | 2025-06-26 | ULS 5156470 | 2026-08-02 01:16:46 |
| Expiration Date | 2035-06-26 | ULS 5156470 | 2026-08-02 01:16:46 |