Universal Licensing System
WRBK818
SPRING-FILL INDUSTRIES, LLC
License details
| ULS identifier | 4034821 |
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| Call sign | WRBK818 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-04-16 |
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| Expiration | 2028-04-16 |
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| Frequency range | 452.4125 - 467.3875 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | NORTHBROOK, COOK, IL |
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| Coordinates | 42.1014444, -87.8284167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:49 |
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Licensee
| Name | SPRING-FILL INDUSTRIES, LLC |
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| Applicant type | L |
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| FRN | 0027244490 |
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| Location | NORTHBROOK, IL |
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| Address | 2855 SHERMER ROAD, NORTHBROOK, IL, 60062 |
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| Phone | 8472051875 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MO | 452.41250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 462.28750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 462.33750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 467.38750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.41250000 | | 11K2F3E |
| 1 | 1 | 452.41250000 | | 7K60FXE |
| 1 | 1 | 462.28750000 | | 7K60FXE |
| 1 | 1 | 462.28750000 | | 11K2F3E |
| 1 | 1 | 462.33750000 | | 7K60FXE |
| 1 | 1 | 462.33750000 | | 11K2F3E |
| 1 | 1 | 467.38750000 | | 11K2F3E |
| 1 | 1 | 467.38750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2855 SHERMER ROAD, NORTHBROOK, COOK, IL | 42.10144444, -87.82841667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2855 SHERMER ROAD, NORTHBROOK, IL | COOK | 8472051875 |
License history
| Date | File or call sign | Action |
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| 2018-04-16 | WRBK818 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4034821 | 2026-08-02 01:21:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRBK818 | ULS 4034821 | 2026-08-02 01:21:49 |
| Status | A | ULS 4034821 | 2026-08-02 01:21:49 |
| Service | IG | ULS 4034821 | 2026-08-02 01:21:49 |
| Grant Date | 2018-04-16 | ULS 4034821 | 2026-08-02 01:21:49 |
| Expiration Date | 2028-04-16 | ULS 4034821 | 2026-08-02 01:21:49 |