G3ZJO http://dl.dropboxusercontent.com/u/23312120/vlfgrabber.html
DF6NM http://df6nm.darc.de/vlf/vlfgrabber.htm
DK7FC http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html
Todmorden http://abelian.org/vlf/fbins.shtml#p=1389549600&b=090&s=sp
PA1SDB http://www.qsl.net/pa1sdb/
G3XVL http://homepage.ntlworld.com/chris.mccarthy3/grabber
TF3HZ http://simnet.is/halldorgudmunds/TF3HZ_VLFgrabber/
IK1QFK http://www.vlf.it/cumiana/livedata.html
IK7FMO
http://www.aeritel.com/vlf/index.html
G4WGT
http://myweb.tiscali.co.uk/wgtaylor/Sub9kHz.html
OK2BVG
http://www.ok2bvg.cz/vlfgrabber/