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 observing to help understand the archived data. 

The files provide are:

ielog_YYYYMMDD_all.txt - This file contain all the log entries for the UTC date.

   The format consist of 1 log entry per line, keyword are separated by spaces.
     1st keyword - UTC date.
     2st keyword - UTC Time.
     3st keyword - The unix timestamp (equal to the UCT date + time)
     4nd keyword is the source: TCS, SBG, SGD, etc.
        tcs = Telescope Control System
        sbd = Spex bigdog, or the SpeX spectrograph.
        sgd = Spex guidedog, or the SpeX imager/guider.
        icm = iSHELL cartman, or the iSHELL spectrograph.
        ike = iSHELL kyle, or the iSHELL imager/guider.
     The remains text is the actual login entries.

The following files are produced from ielog_YYYYMMDD_all.txt. 
The individual source file are product only if they are present in the _all file.

   ielog_YYYYMMDD_tcs.txt - log entries with the 'tcs' source, IRTF Telescope Control System.

   ielog_YYYYMMDD_sbd.txt - log entires with the 'sbd' source, SpeX spectrograph.

   ielog_YYYYMMDD_sgd.txt - log entires with the 'sgd' source, SpeX imager/guider.

   ielog_YYYYMMDD_icm.txt - log entires with the 'icm' source, iSHELL spectrograph.

   ielog_YYYYMMDD_ike.txt - log entires with the 'ike' source, iSHELL imager/guider.


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.