1. NINJA (TSK) float – recent operation Toshio Suga (JAMSTEC / Tohoku Univ.)
7 profiling floats with oxygen/chlorophyll sensors were funded by Japanese Fisheries Research Agency and deployed in March-May 2008.
3 floats were NINJA floats.
40-db parking depth following mixed layer
500-db profiling with 5-day interval
Wetlabs FLNTU sensor with TSK shutter
Data compression enabling data transmission from >200 levels through ARGOS
2 floats and their FLNTU sensors are still working properly almost after one year from deployment.

2. Wetlabs FLNTU and TSK Shutter
with
shutter
shutter
Cf. OEM model of FLNTU for APEX float

3. Data compressing Transmitted data Restored data
P T diff_t S diff_s CHLA diff_chl NTU diff_ntu
(dbar) (deg.C) (psu) (microg/l) (NTU) …

4. Back into the market