;  compute tsys using psrfits winking cal files .. 
;
; input psrfits files , compute tsys spectra
;
; warning: getsysi1: J0437-4715 has 32usec sampling can run out of memory of lots of other
;                    things active. simplest is to use gpuserv0. but will run on megs3
;
gettsysI1.pro  .. get 1 source
getsysIday.pro .. get tsys info one day
gettsysImon.pro .. get tsysI for a month
;
plottsysI1day.pro ..  plot 1 days worth of tsysI 
mkjpegs           ..  input tsysI for a number of day, call plottsysI1day() for each dayh
                      making a jpeg for each day
;
domonth: process a months worth of data
	- generate save files (skip this if you want)
    - make the jpegs for each day
    - generate the .avi from teh jpegs

directories;
	- savfiles/   monthly save files
    - jpegs/yymm/  jpegs for each month
    - movies/yymm_tsys.avi

see 221027/chkrippple.pro for how ripple changes for oct22