Index of /corsdata/rinex/2021/312/echo

	Name	Last modified	Size	Description
	Parent Directory		-
	echo3120.21S	2023-02-08 17:08	59K
	echo3120.21d.gz	2021-11-09 04:33	1.4M
	echo3120.21o.gz	2021-12-10 13:33	3.5M