Universal Licensing System
WRJN554
United Airlines, Inc.
License details
| ULS identifier | 4338077 |
|---|
| Call sign | WRJN554 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-09-29 |
|---|
| Expiration | 2030-09-29 |
|---|
| Frequency range | 451.05 - 456.05 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Arlington Heights, COOK, IL |
|---|
| Coordinates | 42.1352778, -87.9997222 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:13:03 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.05000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 451.05000000 | | | 3.000000 | 3.000000 | |
| 2 | 1 | MO | 456.05000000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | FX1 | 456.05000000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.05000000 | | 11K2F3E |
| 1 | 1 | 451.05000000 | | 7K60FXD |
| 1 | 1 | 451.05000000 | | 7K60FXE |
| 2 | 1 | 451.05000000 | | 11K2F3E |
| 2 | 1 | 451.05000000 | | 7K60FXE |
| 2 | 1 | 451.05000000 | | 7K60FXD |
| 2 | 1 | 456.05000000 | | 11K2F3E |
| 2 | 1 | 456.05000000 | | 7K60FXD |
| 2 | 1 | 456.05000000 | | 7K60FXE |
| 3 | 1 | 456.05000000 | | 7K60FXD |
| 3 | 1 | 456.05000000 | | 7K60FXE |
| 3 | 1 | 456.05000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1501 West Shure Drive, Arlington Heights, COOK, IL | 42.13527778, -87.99972222 | 235.300 m | BANT | 9.200 m structure / 11.900 m overall | |
| 2 | T | | | | | | |
| 3 | T | COOK, IL | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.900 m | | | | 24.300 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 233 S Wacker Drive, Chicago, IL | COOK | 2165016048 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-29 | WRJN554 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4338077 | 2026-08-02 01:13:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRJN554 | ULS 4338077 | 2026-08-02 01:13:03 |
| Status | A | ULS 4338077 | 2026-08-02 01:13:03 |
| Service | IG | ULS 4338077 | 2026-08-02 01:13:03 |
| Grant Date | 2020-09-29 | ULS 4338077 | 2026-08-02 01:13:03 |
| Expiration Date | 2030-09-29 | ULS 4338077 | 2026-08-02 01:13:03 |