1. Open the Decoder node as one would to use the SDMRAOB program. 2. Change directory: cd /iodprod/dcdprod/logs 3. Then list the files with most recent displayed last: ls -lrt 4. Examine the file names, last modify times, and file sizes. * All of the data files are named: decod.mnemonic.log(n) * Five days of data are saved in daily files. Files with an extension of .log are for the current day; .log1 files are from one day ago; ...; .log4 files are from four days ago. * The middle part of the file name is the data type mnemonic as listed in the Decoder column of the Decoders Overview. * A small file size may be an indication data are not being written to file. 5. View the most pertinent file(s) and look for WMO headers contained in the text: view filename The most recent data are at the bottom of the file: shift-G 6. Some data files show the text contained in the WMO headers. If not, then view the text in FADD.