If anyone use the TLEs with SatTrack, you can do the below procedure to remove harmfulness.

sed -e 's/^M//' -e 's/ [.*]//' amateur.tmp > amateur.txt

Isao / JM1WBB

Message: 8

...

From http://celestrak.com/NORAD/elements/master.asp

Status codes (where present): [+] = Operational [-] = Nonoperational [P] = Partially Operational [B] = Backup/Standby [S] = Spare [X] = Extended Mission