Universal Licensing System
WPK4
PORTLAND, CITY OF
License details
| ULS identifier | 1980625 |
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| Call sign | WPK4 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 1999-01-28 |
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| Expiration | 2004-02-09 |
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| Cancellation | 2004-04-11 |
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| Frequency range | 123.05 MHz |
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| Locations | 1 |
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| Representative location | PORTLAND, MULTNOMAH, OR |
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| Coordinates | 45.5248333, -122.6709167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:19 |
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Licensee
| Name | PORTLAND, CITY OF |
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| Applicant type | G |
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| FRN | 0001554500 |
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| Location | PORTLAND, OR |
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| Address | 1120 SW 5TH AVE, PORTLAND, OR, 97204 |
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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 | FAA | 123.05000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 123.05000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | PORTLAND HELIPORT, PORTLAND, MULTNOMAH, OR | 45.52483333, -122.67091667 | 9.000 m | B | 22.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 22.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2004-04-11 | WPK4 | LIEXP |
| 2003-11-17 | WPK4 | LETRES |
| 2001-04-27 | WPK4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1980625 | 2026-08-02 02:08:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPK4 | ULS 1980625 | 2026-08-02 02:08:19 |
| Status | E | ULS 1980625 | 2026-08-02 02:08:19 |
| Service | AF | ULS 1980625 | 2026-08-02 02:08:19 |
| Grant Date | 1999-01-28 | ULS 1980625 | 2026-08-02 02:08:19 |
| Expiration Date | 2004-02-09 | ULS 1980625 | 2026-08-02 02:08:19 |
| Cancellation Date | 2004-04-11 | ULS 1980625 | 2026-08-02 02:08:19 |