ielog files

This directory contains the ielog data for the specified UTC date.
This ielog are key events logged by the TCS, and instruments to document
sequences of events during the observing to help understand the archived data. 

The files provide are:

ielog_YYMMDD_raw.txt - the raw ielog. This is a text file of the ielog enteries for the UTC date YYMMDD.

   The format consist of 1 log entry per line, keyword are separated by spaces.
     1st keyword is the unix timestamp of the log entry.
     2nd keyword is the source of the log, ie: TCS, SBG, SGD, etc.
        TCS = Telescope Control System
        sbd = Spex bigdog, or the SpeX spectrograph.
        sgd = Spex guidedog, or the SpeX imager/guider.
     The remains text is the actual login entries.

The following files are produced from the ielog_YYMMDD_raw.txt. 
The individual source file are product only if they are contain in the _all file.
The unix timestamp has been convert to 2 fields, the UTC date and time.

ielog_YYMMDD_all.txt - All ielog entries, with YYYY-MM-DD HH:MM:SS utc dates.

ielog_YYMMDD_tcs.txt - log entries with the 'tcs' source, with YYYY-MM-DD HH:MM:SS utc dates.

ielog_YYMMDD_sbd.txt - log entires with the 'sbd' source, with YYYY-MM-DD HH:MM:SS utc dates.

ielog_YYMMDD_sgd.txt - log entires with the 'sgd' source, with YYYY-MM-DD HH:MM:SS utc dates.

misc/ 

Any observer provide log sheets, notes, or other documents  are copied in 
the the misc directory. This directory may not exist of no additional documentation
was provide.