Universal Licensing System
WQTH418
MPX Inc.
License details
| ULS identifier | 3557948 |
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| Call sign | WQTH418 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 2014-01-31 |
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| Expiration | 2014-07-30 |
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| Cancellation | 2014-10-04 |
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| Frequency range | 22475 MHz |
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| Locations | 2 |
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| Representative location | Seattle, KING, WA |
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| Coordinates | 47.6143889, -122.3390000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:24 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 22475.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 22475.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2001 6th. Avenue, Seattle, KING, WA | 47.61438889, -122.33900000 | 32.700 m | BANT | 128.000 m structure / 130.000 m overall | |
| 2 | R | | 47.62083333, -122.36197222 | 6.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HP2-23 | | V | 40.2000 | 292.5000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP2-23 | | | 40.2000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2014-10-04 | WQTH418 | LIEXP |
| 2014-01-31 | WQTH418 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3557948 | 2026-08-02 02:46:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQTH418 | ULS 3557948 | 2026-08-02 02:46:24 |
| Status | E | ULS 3557948 | 2026-08-02 02:46:24 |
| Service | CF | ULS 3557948 | 2026-08-02 02:46:24 |
| Grant Date | 2014-01-31 | ULS 3557948 | 2026-08-02 02:46:24 |
| Expiration Date | 2014-07-30 | ULS 3557948 | 2026-08-02 02:46:24 |
| Cancellation Date | 2014-10-04 | ULS 3557948 | 2026-08-02 02:46:24 |