At 08:18 AM 2004-08-17, blake wrote:
So how many mode "A"ers are there out there? Am I the only mode B paddle pusher?
I never could figure out how anyone could send with a mode B keyer. If you try to send a 'K' and don't release the dot paddle before the second dash starts, you get a 'C'. I can do that at 5 WPM if I concentrate really hard, but at any higher speed, no luck.
The original Curtis CMOS keyer chip was mode A, and he later made a mode B (and A/B) chips for all those who were forever cursed by learning to iambic sending with some of the early TTL iambic keyers from QST. They had what became known as "the trailing dot problem" and fixes for their logic were offered. I still have one of the original TTL keyers in my collection and can only use it with a single lever (non-iambic) paddle. My vacuum tube keyer from the 1965 Handbook works just as well.
Keep clam, Terry
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