WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. SURVEY OPERATIONS 20 JUN THRU 30 JUL
BY M/V W TUPAN I IN AREA BOUND BY
21-51.00S 039-44.35W, 21-56.23S 039-39.10W,
21-58.55S 039-43.19W, 21-58.56S 039-47.54W,
21-54.49S 039-46.89W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 310001Z JUL 25.