File:SOS SOS SOS jaune optique.gif
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SOS_SOS_SOS_jaune_optique.gif (50 × 50 pixels, file size: 2 KB, MIME type: image/gif, looped, 19 frames, 6.2 s)
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• • • — — — • • • • • • — — — • • • • • • — — — • • • Français : "SOS SOS SOS" est le signal international de détresse ici lumineux optique.
Radiotélégraphie optique par projecteur Scott ou projecteur Aldis : Avec un projecteur Aldis de 30 W à 50 W projetant un faisceau de lumière d'un angle de 5 °, les signaux de détresse entre navires de commerces seront reçus par temps clair jusqu'à 14 kilomètres de jour en mer et plus de nuit. Avec un projecteur Aldis de 16 W à 30 W projetant un faisceau de lumière d'un angle de 5 °, les signaux de détresse entre navires de plaisances de faibles hauteurs par temps clair seront reçus jusqu'à 4 kilomètres de jour en mer et plus de nuitEnglish: "SOS SOS SOS" is the international signal of distress here bright optical. |
| Date | |
| Source | Own work |
| Author | F1jmm |
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I, the copyright holder of this work, hereby publish it under the following license:
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:38, 15 March 2019 | | 50 × 50 (2 KB) | F1jmm (talk | contribs) | simplification |
| 21:35, 12 March 2019 |  | 50 × 50 (6 KB) | F1jmm (talk | contribs) | User created page with UploadWizard |
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