Universal Licensing System
WRKH976
API HEAT TRANSFER
License details
| ULS identifier | 4371479 |
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| Call sign | WRKH976 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-01-07 |
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| Expiration | 2031-01-07 |
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| Frequency range | 452.5375 - 456.5625 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | FRANKLIN, MILWAUKEE, WI |
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| Coordinates | 42.8637778, -87.9755833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:09 |
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Licensee
| Name | API HEAT TRANSFER |
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| Applicant type | C |
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| FRN | 0030317895 |
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| Location | FRANKLIN, WI |
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| Address | 4700 IRONWOOD DRIVE, FRANKLIN, WI, 53132 |
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| Phone | 4147616707 |
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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 | 452.53750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.66250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.86250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.56250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.53750000 | | 7K60FXD |
| 1 | 1 | 452.53750000 | | 7K60FXE |
| 1 | 1 | 452.53750000 | | 11K0F3E |
| 1 | 1 | 452.66250000 | | 7K60FXE |
| 1 | 1 | 452.66250000 | | 7K60FXD |
| 1 | 1 | 452.66250000 | | 11K0F3E |
| 1 | 1 | 452.86250000 | | 11K0F3E |
| 1 | 1 | 452.86250000 | | 7K60FXD |
| 1 | 1 | 452.86250000 | | 7K60FXE |
| 1 | 1 | 456.56250000 | | 7K60FXE |
| 1 | 1 | 456.56250000 | | 11K0F3E |
| 1 | 1 | 456.56250000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 4700 IRONWOOD DRIVE, FRANKLIN, MILWAUKEE, WI | 42.86377778, -87.97558333 | | | | |
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 | 4700 IRONWOOD DRIVE, FRANKLIN, WI | MILWAUKEE | 4147616707 |
License history
| Date | File or call sign | Action |
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| 2021-01-07 | WRKH976 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4371479 | 2026-08-02 01:22:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKH976 | ULS 4371479 | 2026-08-02 01:22:09 |
| Status | A | ULS 4371479 | 2026-08-02 01:22:09 |
| Service | IG | ULS 4371479 | 2026-08-02 01:22:09 |
| Grant Date | 2021-01-07 | ULS 4371479 | 2026-08-02 01:22:09 |
| Expiration Date | 2031-01-07 | ULS 4371479 | 2026-08-02 01:22:09 |