These three data directories are copies of data to be used by the ICARTT program as WWW links for outside users.
The pdf file is a more detailed description of some of the ICARTT data issues.

ftp://ftp.etl.noaa.gov/et6/archive/TexAQS_2006/RHB/Scientific_analysis/Flux
ftp://ftp.etl.noaa.gov/et6/archive/TexAQS_2006/RHB/Scientific_analysis/ceilometer
ftp://ftp.etl.noaa.gov/et6/archive/TexAQS_2006/RHB/Scientific_analysis/Ozonesonde