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 Get RAW observation files from ftp archives  
  
 Usage: sh_get_raw -archive <ftp address> -rdir <remote dir> -login <login and password> 
                   -yr <yr> -doy <doy> -ndays <num> -sites <sites> -ftp_prog <ftp/ncftp>
  
        <ftp address>  FTP machine to fetch the raw data from. [Required] 
        <remote dir> remote directory from which to fetch the raw data. [Required] 
        <login and password> login name and password for remote machine. [Required] 
        <yr> 4 year of raw data requested [Required] 
        <doy> 3 char day of year of raw data requested. [Required] 
        <num> Number of consecutive days of data to retreive [Default 1] 
        <sites> List of sites to be retreived from the ftp archive [Required] 
        <ftp/ncftp> select program to run for the ftp [default ftp]
  
 Example: sh_get_raw -archive cudi.mam.gov.tr -rdir pub/continuous/TUBI/1999/228 -login anonymous simon@mit.edu -yr 1999 -doy 228 -ndays 1 -sites tubi -ftp_prog ncftp
  
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