Universal Licensing System
WQTH477
IMPAX LABORATORIES INC
License details
| ULS identifier | 3558209 |
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| Call sign | WQTH477 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-02-03 |
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| Expiration | 2024-02-03 |
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| Cancellation | 2024-04-06 |
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| Frequency range | 452.2125 - 467.275 MHz (6 frequencies) |
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| Locations | 3 |
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| Representative location | HAYWARD, ALAMEDA, CA |
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| Coordinates | 37.6156944, -122.0555000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:59 |
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Licensee
| Name | IMPAX LABORATORIES INC |
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| Applicant type | C |
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| FRN | 0023078116 |
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| Location | HAYWARD, CA |
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| Address | 30831 HUNTWOOD AVE, HAYWARD, CA, 94544 |
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| Phone | 5102406000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.21250000 | | | 25.000000 | 40.000000 | |
| 2 | 1 | MO | 452.21250000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 457.21250000 | | | 45.000000 | 45.000000 | |
| 4 | 1 | FX1 | 457.21250000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 457.25000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 464.30000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 464.52500000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 467.27500000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.21250000 | | 11K2F3E |
| 1 | 1 | 452.21250000 | | 7K60FXE |
| 2 | 1 | 452.21250000 | | 7K60FXE |
| 2 | 1 | 452.21250000 | | 11K2F3E |
| 2 | 1 | 457.21250000 | | 7K60FXE |
| 2 | 1 | 457.21250000 | | 11K2F3E |
| 4 | 1 | 457.21250000 | | 11K2F3E |
| 4 | 1 | 457.21250000 | | 7K60FXE |
| 2 | 1 | 457.25000000 | | 11K2F3E |
| 2 | 1 | 457.25000000 | | 7K60FXE |
| 2 | 1 | 464.30000000 | | 7K60FXE |
| 2 | 1 | 464.30000000 | | 11K2F3E |
| 2 | 1 | 464.52500000 | | 11K2F3E |
| 2 | 1 | 464.52500000 | | 7K60FXE |
| 2 | 1 | 467.27500000 | | 11K2F3E |
| 2 | 1 | 467.27500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | 30831 HUNTWOOD AVE, HAYWARD, ALAMEDA, CA | 37.61569444, -122.05550000 | 4.000 m | BANT | 30.100 m structure / 33.500 m overall | |
| 2 | | | | | | | |
| 4 | | CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 33.500 m | | | | -55.100 | |
| 1 | 2 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 30831 HUNTWOOD AVE, HAYWARD, CA | ALAMEDA | 5102406000 |
License history
| Date | File or call sign | Action |
|---|
| 2024-04-06 | WQTH477 | LIEXP |
| 2014-11-04 | WQTH477 | LETCNS |
| 2014-02-03 | WQTH477 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3558209 | 2026-08-02 01:20:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQTH477 | ULS 3558209 | 2026-08-02 01:20:59 |
| Status | E | ULS 3558209 | 2026-08-02 01:20:59 |
| Service | IG | ULS 3558209 | 2026-08-02 01:20:59 |
| Grant Date | 2014-02-03 | ULS 3558209 | 2026-08-02 01:20:59 |
| Expiration Date | 2024-02-03 | ULS 3558209 | 2026-08-02 01:20:59 |
| Cancellation Date | 2024-04-06 | ULS 3558209 | 2026-08-02 01:20:59 |