Français : * Montre de station radio marine avec :
En rouge les périodes de silence radio de 3 minutes sur la fréquence 500 kHz. L'appel de routine, de sécurité, d'urgence est autorisé entre l'heure H + 18 à H + 45 et entre H + 48 à H + 15.
En bleu les périodes de silence radio de 3 minutes sur les fréquences: 2174,5 , 2182 et 2187,5 kHz. L'appel de routine, de sécurité, d'urgence est autorisé entre l'heure H + 03 à H + 30 et entre H + 33 à H + 00.
Les radiocommunications pour la détresse sont libres.
La montre est à l'heure en Temps universel coordonné.
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