Universal Licensing System
WRZH421
PrimeFlight Aviation Services
License details
| ULS identifier | 4836758 |
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| Call sign | WRZH421 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-11-01 |
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| Expiration | 2033-11-01 |
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| Frequency range | 451.4875 - 456.6875 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | SEATAC, KING, WA |
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| Coordinates | 47.4439444, -122.3000556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:00 |
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Licensee
| Name | PrimeFlight Aviation Services |
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| Applicant type | C |
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| FRN | 0034369967 |
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| Location | SUGAR LAND, TX |
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| Address | THREE SUGAR CREEK CENTER BLVD, SUITE 450, SUGAR LAND, TX, 77478 |
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| Phone | 2819426857 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.48750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.68750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.68750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.48750000 | | 7K60FXE |
| 1 | 1 | 451.48750000 | | 11K2F3E |
| 1 | 1 | 451.68750000 | | 11K2F3E |
| 1 | 1 | 451.68750000 | | 7K60FXE |
| 1 | 1 | 456.68750000 | | 11K2F3E |
| 1 | 1 | 456.68750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEATAC, KING, WA | 47.44394444, -122.30005556 | | | | |
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 | 17801 INTERNATONAL BLVD, SECTAC, WA | KING | 2064029060 |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-08 | WRZH421 | FRATRE |
| 2024-12-11 | WRZH421 | LETTRS |
| 2024-12-11 | WRZH421 | PNLISR |
| 2024-08-06 | WRZH421 | LETCNS |
| 2023-11-01 | WRZH421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4836758 | 2026-08-02 01:24:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRZH421 | ULS 4836758 | 2026-08-02 01:24:00 |
| Status | A | ULS 4836758 | 2026-08-02 01:24:00 |
| Service | IG | ULS 4836758 | 2026-08-02 01:24:00 |
| Grant Date | 2023-11-01 | ULS 4836758 | 2026-08-02 01:24:00 |
| Expiration Date | 2033-11-01 | ULS 4836758 | 2026-08-02 01:24:00 |