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 sh_make_sky_gifs: Automates creation of PS phase residual sky plots and gifs 
  
 Usage: sh_make_sky_gifs -site <site> -doy <doy> -gifs <Y/N> -rmps <Y/N> -elev <Y/N> 
  
 Script is run from the day directory level where autocln DPH. files are stored 
  
 Where: 
          site   Sites to create sky plots for. Use ALL to create skyplots 
                 for all sites in the current dirtectory. [Default ALL]
          doy    Day of year of the observations. [Required] 
          gifs   Convert postscript skyplots to gif images. [Default Y]
          rmps   Remove postscript skyplot after .gif file is created [Default Y]
          elev   Create elevation angle dependent plots and histograms [Default N]
  
 Example: sh_make_sky_gifs -site ALL -doy 319 -gifs Y -elev Y
  
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