Universal Licensing System
WRKY789
Open School, Inc.
License details
| ULS identifier | 4397655 |
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| Call sign | WRKY789 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-03-05 |
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| Expiration | 2031-03-05 |
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| Frequency range | 452.1375 - 462.8 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Portland, MULTNOMAH, OR |
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| Coordinates | 45.5194444, -122.4920833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 452.13750000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | FB | 462.80000000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 452.13750000 | | 11K2F1D |
| 1 | 1 | 462.80000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 16570 SE Oak Street, Portland, MULTNOMAH, OR | 45.51944444, -122.49208333 | 79.000 m | B | 14.000 m structure / 14.000 m overall | |
| 2 | T | 16570 SE Oak Street, Portland, MULTNOMAH, OR | 45.51944444, -122.49208333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.000 m | | | | 1.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 16570 SE Oak Street, Portland, OR | MULTNOMAH | 2016003948 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-05 | WRKY789 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4397655 | 2026-08-02 01:22:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKY789 | ULS 4397655 | 2026-08-02 01:22:14 |
| Status | A | ULS 4397655 | 2026-08-02 01:22:14 |
| Service | IG | ULS 4397655 | 2026-08-02 01:22:14 |
| Grant Date | 2021-03-05 | ULS 4397655 | 2026-08-02 01:22:14 |
| Expiration Date | 2031-03-05 | ULS 4397655 | 2026-08-02 01:22:14 |