Index of /corsdata/rinex/2021/apr20/echo

	Name	Last modified	Size	Description
	Parent Directory		-
	echo1100.21S	2021-04-26 15:08	59K
	echo1100.21d.gz	2021-04-21 05:33	1.4M
	echo1100.21o.gz	2021-05-22 14:32	3.6M