1. Mat files data is RVDAS UW data merged with RVDAS Navigation.
Primary source of Navigation used: seap/GGA with about 120 points taken from PCOD/GGA
(not available in the Primary source).

2. First 7 columns in each file are Date/Time/Location:
colYear_M=1;
colDay_M=2;
colHour_M=3;
colMin_M=4;
colSec_M=5;
colLat_M=6;
colLon_M=7;

3. PCO2 channel:
Flow Source name is replaced with Flow Source code 1:8 (column #18):
1 Equil
2 Atmos
3 Nitrogen
4 CA06630
5 CA06632
6 CA06636
7 CA06661
8 CA07206