Universal Licensing System
WRDR831
E M R Surveying, LLC
License details
| ULS identifier | 4177209 |
|---|
| Call sign | WRDR831 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-08 |
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| Expiration | 2029-07-08 |
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| Frequency range | 469.55 MHz |
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| Locations | 1 |
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| Representative location | WA |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXOI | 464.50000000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FXOI | 464.55000000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FXOI | 469.50000000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FXOI | 469.55000000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.50000000 | | 11K2F1D |
| 1 | 1 | 464.55000000 | | 11K2F1D |
| 1 | 1 | 469.50000000 | | 11K2F1D |
| 1 | 1 | 469.55000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 24801 Gravelle Rd. N., Davenport, WA | LINCOLN | 5092798347 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-08 | WRDR831 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4177209 | 2026-08-02 01:22:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDR831 | ULS 4177209 | 2026-08-02 01:22:57 |
| Status | A | ULS 4177209 | 2026-08-02 01:22:57 |
| Service | IG | ULS 4177209 | 2026-08-02 01:22:57 |
| Grant Date | 2019-07-08 | ULS 4177209 | 2026-08-02 01:22:57 |
| Expiration Date | 2029-07-08 | ULS 4177209 | 2026-08-02 01:22:57 |