(meteorobs) unidentified RF signals - any help appreciated

[Dale]

it's a slow time for meteors so i invite the group to listen to the files on this page
http://ve3hls.tripod.com/noise/unid.html

the files were made by various ham radio operators of various signals that they cannot identify the source of

i thought some of you might have some clues about some of them
thanks in advance
dale botwin
miami fl
KR4OR