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. Fig, 41 -Exemple d'un interférogramme représentatif pour chacune des éruptions De gauche à droite et de haut en bas (éruptions) : août, Coordonnées UTM, vol.2, p.40, 2003.

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. La-première-ligne-de-chaque-bloc, lignes 3 à 22) indique la date et l'heure des observations : -05 9 15 : date au format yy-mm-dd -0 0 10.0000000 : heure au format hh-mm-ss -0 : un marqueur qui indique si l'enregistrement est valide, = OK) -9G03G21G15G16G30G06G14G01G25 : nombre de satellites utilisés (9), type de satellite (G=GPS) et numéros des satellites utilisés (03, p.15

. Chaque-ligne-suivante, jusqu'à la fin du bloc, comporte les informations délivrées par les satellites référencés dans la première ligne du bloc