Universal Licensing System
WRJU374
Abbott Labs JS4 ARDX
License details
| ULS identifier | 4348203 |
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| Call sign | WRJU374 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-10-28 |
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| Expiration | 2030-10-28 |
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| Frequency range | 72.1 MHz |
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| Locations | 1 |
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| Representative location | Gurnee, LAKE, IL |
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| Coordinates | 42.3691389, -87.9451667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:50 |
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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 | FXO | 72.10000000 | | | 2.000000 | 1.500000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 72.10000000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 605 TriState Parkway, Gurnee, LAKE, IL | 42.36913889, -87.94516667 | 223.000 m | BMAST | 13.700 m structure / 16.400 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.400 m | | | | 21.900 | |
Control points
| Number | Address | County | Phone |
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| 1 | 605 TriState Parkway, Gurnee, IL | LAKE | 8474454178 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-21 | WRJU374 | FRATRE |
| 2021-12-01 | WRJU374 | PNLISR |
| 2021-12-01 | WRJU374 | LETTRS |
| 2020-10-28 | WRJU374 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4348203 | 2026-08-02 01:21:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRJU374 | ULS 4348203 | 2026-08-02 01:21:50 |
| Status | A | ULS 4348203 | 2026-08-02 01:21:50 |
| Service | IG | ULS 4348203 | 2026-08-02 01:21:50 |
| Grant Date | 2020-10-28 | ULS 4348203 | 2026-08-02 01:21:50 |
| Expiration Date | 2030-10-28 | ULS 4348203 | 2026-08-02 01:21:50 |