Universal Licensing System
WRDR281
Roseburg Forest Products Co.
License details
| ULS identifier | 4175776 |
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| Call sign | WRDR281 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-02 |
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| Expiration | 2029-07-02 |
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| Frequency range | 451.35 - 456.35 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Ridde, DOUGLAS, OR |
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| Coordinates | 42.9327500, -123.4021389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:06 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.35000000 | | | 50.000000 | 120.000000 | |
| 2 | 1 | MO | 451.35000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 456.35000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.35000000 | | 7K60F7W |
| 1 | 1 | 451.35000000 | | 7K60F1W |
| 2 | 1 | 451.35000000 | | 7K60F7W |
| 2 | 1 | 451.35000000 | | 7K60F1W |
| 2 | 1 | 456.35000000 | | 7K60F7W |
| 2 | 1 | 456.35000000 | | 7K60F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4500 Riddle Bypass Rd, Ridde, DOUGLAS, OR | 42.93275000, -123.40213889 | 214.000 m | BANT | 9.100 m structure / 12.200 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.200 m | | | | -293.500 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4500 Riddle Bypass Rd, Riddle, OR | DOUGLAS | 5416736904 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-21 | WRDR281 | LIAUA |
| 2020-03-31 | WRDR281 | LETCNS |
| 2019-07-02 | WRDR281 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4175776 | 2026-08-02 01:22:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDR281 | ULS 4175776 | 2026-08-02 01:22:06 |
| Status | A | ULS 4175776 | 2026-08-02 01:22:06 |
| Service | IG | ULS 4175776 | 2026-08-02 01:22:06 |
| Grant Date | 2019-07-02 | ULS 4175776 | 2026-08-02 01:22:06 |
| Expiration Date | 2029-07-02 | ULS 4175776 | 2026-08-02 01:22:06 |