Index of /corsdata/rinex/2021/040/echo

	Name	Last modified	Size	Description
	Parent Directory		-
	echo0400.21S	2021-05-01 02:28	60K
	echo0400.21d.gz	2021-02-10 04:31	1.4M
	echo0400.21o.gz	2021-03-13 13:38	3.6M