Universal Licensing System
WRFD764
ThermFlo Inc.
License details
| ULS identifier | 4248791 |
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| Call sign | WRFD764 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-02-08 |
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| Expiration | 2030-02-08 |
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| Frequency range | 451.2375 - 463.875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | BUFFALO GROVE, LAKE, IL |
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| Coordinates | 42.1711111, -87.9389167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:33 |
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Licensee
| Name | ThermFlo Inc. |
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| Applicant type | C |
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| FRN | 0029189347 |
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| Location | Buffalo Grove, IL |
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| Address | 875 Busch Parkway, Buffalo Grove, IL, 60089 |
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| Phone | 8475410029 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.43750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.23750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.43750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 463.87500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.23750000 | | 7K60FXE |
| 1 | 1 | 451.23750000 | | 11K2F3E |
| 1 | 1 | 452.43750000 | | 7K60FXE |
| 1 | 1 | 452.43750000 | | 11K2F3E |
| 1 | 1 | 456.23750000 | | 11K2F3E |
| 1 | 1 | 456.23750000 | | 7K60FXE |
| 1 | 1 | 457.43750000 | | 11K2F3E |
| 1 | 1 | 457.43750000 | | 7K60FXE |
| 1 | 1 | 463.87500000 | | 11K2F3E |
| 1 | 1 | 463.87500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BUFFALO GROVE, LAKE, IL | 42.17111111, -87.93891667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 875 BUSCH PARKWAY, BUFFALO GROVE, IL | LAKE | 8475410029 |
License history
| Date | File or call sign | Action |
|---|
| 2020-11-10 | WRFD764 | LETCNS |
| 2020-02-08 | WRFD764 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4248791 | 2026-08-02 01:23:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFD764 | ULS 4248791 | 2026-08-02 01:23:33 |
| Status | A | ULS 4248791 | 2026-08-02 01:23:33 |
| Service | IG | ULS 4248791 | 2026-08-02 01:23:33 |
| Grant Date | 2020-02-08 | ULS 4248791 | 2026-08-02 01:23:33 |
| Expiration Date | 2030-02-08 | ULS 4248791 | 2026-08-02 01:23:33 |