Universal Licensing System
WRDU843
SIGMA DESIGN, INC.
License details
| ULS identifier | 4183016 |
|---|
| Call sign | WRDU843 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-07-25 |
|---|
| Expiration | 2029-07-25 |
|---|
| Frequency range | 452.1125 - 465 MHz (4 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CAMAS, CLARK, WA |
|---|
| Coordinates | 45.5986667, -122.4576667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:06 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 452.11250000 | | | 6.000000 | 6.000000 | |
| 2 | 1 | MO | 457.11250000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | FB | 462.92500000 | | | 25.000000 | 25.000000 | |
| 1 | 2 | FB | 465.00000000 | | | 6.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 452.11250000 | | 11K2F1D |
| 2 | 1 | 457.11250000 | | 11K2F1D |
| 1 | 1 | 462.92500000 | | 11K2F1D |
| 1 | 2 | 465.00000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4600 NW PACIFIC RIM BOULEVARD, CAMAS, CLARK, WA | 45.59866667, -122.45766667 | 111.000 m | B | 14.000 m structure / 14.000 m overall | |
| 2 | T | 4600 NW PACIFIC RIM BOULEVARD, CAMAS, CLARK, WA | 45.59866667, -122.45766667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.000 m | | | | 16.000 | |
| 1 | 2 | T | | | | | | | |
| 2 | 1 | T | | 4.000 m | | | | 16.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4600 NW PACIFIC RIM BOULEVARD, CAMAS, WA | CLARK | 3606932600 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-25 | WRDU843 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4183016 | 2026-08-02 01:23:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU843 | ULS 4183016 | 2026-08-02 01:23:06 |
| Status | A | ULS 4183016 | 2026-08-02 01:23:06 |
| Service | IG | ULS 4183016 | 2026-08-02 01:23:06 |
| Grant Date | 2019-07-25 | ULS 4183016 | 2026-08-02 01:23:06 |
| Expiration Date | 2029-07-25 | ULS 4183016 | 2026-08-02 01:23:06 |