Index of /corsdata/rinex/2021/jul01/echo

	Name	Last modified	Size	Description
	Parent Directory		-
	echo1820.21S	2021-07-02 05:33	59K
	echo1820.21d.gz	2021-07-02 05:33	1.4M
	echo1820.21o.gz	2021-08-02 14:32	3.6M