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Station 42409 (LLNR 140) - HENDERSON RIDGE - 180NM WSW of Tampa, FL
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Owned and maintained by National Data Buoy Center 2.6-meter discus buoy DART II payload 27.080 N 85.714 W (27°4'49" N 85°42'50" W)
Water depth: 3282 m
42409 has been disestablished. Tsunami data for this area can be found at station 42429.
Station 42409 stopped transmitting water column height and tsunami data as of 4/28/2012. Last reported position of hull 2.6D22 was 4/19/2012 and it was on station at that time. However, during service visit on 5/24/2012, the buoy was not on station and is now presumed Lost at Sea.