Source of attitude information. Source of attitude information in ODF. Source of time-sample information. Style in which the time is input. Date/time of first time sample. Last date/time which can be a time sample. Timestamp of first time sample. Last time stamp which can be a time sample. Time between samples of the attitude. tstep in (0.0:] Input events set for provision of time samples. Dataset which contains the mean or median pointing keywords. atthkgen output file. Source of attitude information in the attkhgen file. The dataset which contains the binned attitude data. A new attitude bin is started if the attitude jumps by more than this amount (arcsec). Whether to use/calculate median or mean pointing for the _PNT keywords.