You might check out www.yahoo.com and type in "iambic a iambic b" and see
what hits you get.
I did and the first page netted four or five explanations with about 3800
> -----Original Message-----
> From: email@example.com [mailto:firstname.lastname@example.org]On
> Behalf Of Jim
> Sent: Saturday, February 09, 2002 09:25
> To: phil florine
> Cc: email@example.com
> Subject: Re: [TenTec] Omni VI (+) Keyer
> Can someone briefly explain the difference between iambic mode B and
> mode A?
> Jim N4AL