Universal Licensing System
WRFL397
Glassdoor, Inc
License details
| ULS identifier | 4265673 |
|---|
| Call sign | WRFL397 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-03-24 |
|---|
| Expiration | 2030-03-24 |
|---|
| Frequency range | 451.2375 - 457.7625 MHz (15 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.8867500, -87.6602500 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:40 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 451.23750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 451.61250000 | | | 3.000000 | 3.000000 | |
| 2 | 1 | MO | 451.66250000 | | | 3.000000 | 3.000000 | |
| 2 | 1 | MO | 452.06250000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 452.13750000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 452.41250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 452.51250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 452.76250000 | | | 3.000000 | 3.000000 | |
| 2 | 1 | MO | 456.23750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 456.38750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 456.61250000 | | | 3.000000 | 3.000000 | |
| 2 | 1 | MO | 456.66250000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 457.13750000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 457.51250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 457.76250000 | | | 3.000000 | 3.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.23750000 | | 7K60FXE |
| 3 | 1 | 451.61250000 | | 7K60FXE |
| 2 | 1 | 451.66250000 | | 7K60FXE |
| 2 | 1 | 452.06250000 | | 7K60FXE |
| 3 | 1 | 452.13750000 | | 7K60FXE |
| 1 | 1 | 452.41250000 | | 7K60FXE |
| 1 | 1 | 452.51250000 | | 7K60FXE |
| 1 | 1 | 452.76250000 | | 7K60FXE |
| 2 | 1 | 456.23750000 | | 7K60FXE |
| 3 | 1 | 456.38750000 | | 7K60FXE |
| 3 | 1 | 456.61250000 | | 7K60FXE |
| 2 | 1 | 456.66250000 | | 7K60FXE |
| 3 | 1 | 457.13750000 | | 7K60FXE |
| 1 | 1 | 457.51250000 | | 7K60FXE |
| 1 | 1 | 457.76250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MILL VALEY, MARIN, CA | 37.88013889, -122.51452778 | | | | |
| 2 | T | CHICAGO, COOK, IL | 41.88675000, -87.66025000 | | | | N |
| 3 | T | UNIONTOWN, SUMMIT, OH | 40.96497222, -81.47411111 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 100 SHORELINE HWY, MILL VALLEY, CA | MARIN | 4153399105 |
| 2 | 1330 WEST FULTON STREET, CHICAGO, IL | COOK | 3127341800 |
| 3 | 1485 CORPORATE WOODS PKWY #100, UNIONTOWN, OH | SUMMIT | 3306163953 |
License history
| Date | File or call sign | Action |
|---|
| 2022-01-11 | WRFL397 | LETCNS |
| 2021-04-13 | WRFL397 | LIMOD |
| 2020-12-22 | WRFL397 | LETCNS |
| 2020-03-24 | WRFL397 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4265673 | 2026-08-02 01:23:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFL397 | ULS 4265673 | 2026-08-02 01:23:40 |
| Status | A | ULS 4265673 | 2026-08-02 01:23:40 |
| Service | IG | ULS 4265673 | 2026-08-02 01:23:40 |
| Grant Date | 2020-03-24 | ULS 4265673 | 2026-08-02 01:23:40 |
| Expiration Date | 2030-03-24 | ULS 4265673 | 2026-08-02 01:23:40 |