尽管gamit10.7后的版本支持rinex3的数据，但gamit不支持rinex3的命名规则，但是gamit自带rinex3转rinex2的脚本：

sh_rename_rinex3

  Program:     sh_rename_rinex3

  Written by:  Michael A Floyd (2016/01/18, MIT)

  Last edited: Michael A Floyd (2017/11/19, MIT)

  Usage: sh_rename_rinex3 -f <RINEX 3 files> <options>

  Options:

    -d : Directory in which to place symbolic links (see -l option), copies (see

         -c option) or renamed files (see -r option) with RINEX 2 file naming

         convention [default: current working directory].

    -c : Create copies of RINEX 3 with RINEX 2 conventional file name(s).

    -l : Create symbolic links from RINEX 3 to RINEX 2 conventional file name(s)

         [default].

    -r : Rename (move) RINEX 3 to RINEX 2 conventional file name(s).

  Description:

  sh_rename_rinex3 creates symbolic links [default], copies or renames (moves)

  RINEX 3 files using the RINEX 3 long file naming convention to a file using

  the RINEX 2 file name convention. This script will determine if any files with

  corresponding RINEX 2 file names already exist in the output directory and

  compare the existing files or, if they are not identical, increment the

  session index of the symbolic link or renamed file. The -c and -r options are

  mutually exclusive: the -c option has higher predendence and therefore files

  will be copied, not renamed, if both the -c and -r options are given.