Ooops - find the deliberate error. A typo buried "thing" in the table and I
hadn't noticed. My website pic has been corrected:
http://www.peake42.freeserve.co.uk/pix1/stix3v5.jpg
Alf
>http://www.peake42.freeserve.co.uk/>http://www.qsl.net/gw3srg/>gw3### [at] thersgbnet>