Universal Licensing System
WRDX881
Sausalito Marin City School District
License details
| ULS identifier | 4189846 |
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| Call sign | WRDX881 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-08-16 |
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| Expiration | 2029-08-16 |
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| Frequency range | 451.3625 - 457.5125 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Marin City, MARIN, CA |
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| Coordinates | 37.8725833, -122.5136389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.36250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 452.51250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 456.36250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 457.08750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 457.51250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.36250000 | | 7K60F1E |
| 1 | 1 | 451.36250000 | | 11K0F3E |
| 1 | 1 | 452.51250000 | | 11K0F3E |
| 1 | 1 | 452.51250000 | | 7K60F1E |
| 1 | 1 | 456.36250000 | | 11K0F3E |
| 1 | 1 | 456.36250000 | | 7K60F1E |
| 1 | 1 | 457.08750000 | | 7K60F1E |
| 1 | 1 | 457.08750000 | | 11K0F3E |
| 1 | 1 | 457.51250000 | | 7K60F1E |
| 1 | 1 | 457.51250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Marin City, MARIN, CA | 37.87258333, -122.51363889 | | | | |
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 |
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| 1 | 200 Phillips Dr, Marin City, CA | MARIN | 4153323190 |
License history
| Date | File or call sign | Action |
|---|
| 2020-05-19 | WRDX881 | LETCNS |
| 2019-08-16 | WRDX881 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4189846 | 2026-08-02 01:23:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDX881 | ULS 4189846 | 2026-08-02 01:23:09 |
| Status | A | ULS 4189846 | 2026-08-02 01:23:09 |
| Service | IG | ULS 4189846 | 2026-08-02 01:23:09 |
| Grant Date | 2019-08-16 | ULS 4189846 | 2026-08-02 01:23:09 |
| Expiration Date | 2029-08-16 | ULS 4189846 | 2026-08-02 01:23:09 |