- 9 - 
XBT DATA FLOW FOR DHI SH IPS-OF-OPPORTUNITY DATA 
Raw data (voltage#) 
Sampling time 10Hz = dz=06m 
Mainframe: CYBER180-840 
Conversion of raw data 
to physical units 
( X BT format) 
Completion of header 
information 
Possibility check, 
Editing of spikes on a 
maximum first difference 
basis and by hand 
Moving average filter smoothing 
q = 3 (approx. 80% of profiles) 
q = 7 ( - » - 15% - « - ) 
q = 15-21 ( - ” - 5% - ” - ) 
Depth interval compaction 
(A z =1 m ) 
Final products- 
Prof i les 
Sections 
Maps 
Analysis 
„COM PHD’ 
Visual 
quality 
control 
by means of 
prof ile 
plots 
(„BOTSECB") 
XBT QUAL” 
XBTNOIS” 
Interim 
archive 
tape 
Fi nal 
archive 
tape 
XBTREDU 
German 
Oceanographic 
DataCentre 
„BOTSEC B' 
„XBT SEC” 
„KARTEN” 
I nterim 
archive 
tape 
Raw data 
HP 85 
HP 9836 
„XBTLES” 
.GLESEN 85" 
Fig. 8 
Flow diagram for non-operational XBT data processing