[RTTY] OT. need filter info

[Anthony W. DePrato]

i know this is off topic for rtty but i use filters on rtty and need 
a book or a copy of one for a MSC SMART FILTER. its 20 yrs old but 
hope someone might have one stuffed in a drawer somewhere..
thanks
73 Tony WA4JQS

Anthony W.DePrato WA4JQS since 1962
CQ DX HALL OF FAME  # 35
DXCC HONOR ROLL
DXPEDITION OF THE YEAR 1992 VP8SSI
DXPEDITION OF THE YEAR 1993/1994 3Y0PI
VP8SSI 3Y0PI VP8BZL V31SS
ZD8JQS WA4JQS/ZS1 WA4JQS/KC4