Information about the Freeland Data General Information * Information about the float is available in the pcode variables. These include the following. (See the codes list in the documents section.) CSC1 - the name of the originator of the data PPS$, PBS$, PP1$, PP2$ - various piston positions WMO$ - the WMO number PSP$ -surface pressure PIV$ - internal vacuum PB1$, PBV$ - battery information QCP$, QCF$ - QC tests performed and failed PFR$ - the WMO identifier from table 1770 and 4770 identifying among other things, the type of float and the profiling direction.