read.gps or assembled with as.gps.
ctd data: [[,ctd-method,
[[<-,ctd-method, as.ctd,
cnvName2oceName, ctd-class,
ctdAddColumn, ctdDecimate,
ctdFindProfiles, ctdRaw,
ctdTrim, ctdUpdateHeader,
ctd, handleFlags,ctd-method,
plot,ctd-method, plotProfile,
plotScan, plotTS,
read.ctd.itp, read.ctd.odf,
read.ctd.sbe,
read.ctd.woce.other,
read.ctd.woce, read.ctd,
subset,ctd-method,
summary,ctd-method,
woceNames2oceNames, write.ctdOther things related to gps data: [[,gps-method,
[[<-,gps-method, as.gps,
plot,gps-method, read.gps,
summary,gps-method