OK, ok, ok. You made me look (I got to use my +2.50 diopter reading glasses AND my big-arm, flourscent ring)! My (hasn't ever glitched) diodes are 1N4148. I believe from Radio Shack. http://www.junun.org/MarkIII/datasheets/1N4148.pdf Dan / WG4S / K2 #2456 <snip> Picked up a couple of 5711's </snip>