Universal Licensing System
WRDU820
MASTER METER INC.
License details
| ULS identifier | 4182987 |
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| Call sign | WRDU820 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-25 |
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| Expiration | 2029-07-25 |
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| Frequency range | 461.78125 - 466.78125 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | JEFFERS GARDEN, CLATSOP, OR |
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| Coordinates | 46.1171944, -123.8135833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:49 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXOT | 461.78125000 | | | 20.000000 | 20.000000 | |
| 1 | 1 | FXOT | 466.78125000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.78125000 | | 5K10F2D |
| 1 | 1 | 466.78125000 | | 5K10F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | JEFFERS GARDEN, CLATSOP, OR | 46.11719444, -123.81358333 | | | | |
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 | 101 REGENCY PARKWAY, MANSFIELD, TX | TARRANT | 8178428113 |
License history
| Date | File or call sign | Action |
|---|
| 2020-11-10 | WRDU820 | AUTHPR |
| 2020-11-08 | WRDU820 | LOATRM |
| 2020-11-08 | WRDU820 | FRATRM |
| 2020-11-08 | WRDU820 | ANATRM |
| 2020-11-03 | WRDU820 | LIMOD |
| 2020-09-02 | WRDU820 | LETTRS |
| 2020-09-02 | WRDU820 | PNLISR |
| 2020-04-28 | WRDU820 | LETCNS |
| 2019-07-25 | WRDU820 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4182987 | 2026-08-02 01:19:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU820 | ULS 4182987 | 2026-08-02 01:19:49 |
| Status | A | ULS 4182987 | 2026-08-02 01:19:49 |
| Service | IG | ULS 4182987 | 2026-08-02 01:19:49 |
| Grant Date | 2019-07-25 | ULS 4182987 | 2026-08-02 01:19:49 |
| Expiration Date | 2029-07-25 | ULS 4182987 | 2026-08-02 01:19:49 |