[Elecraft] iambic modes
Steve
shlawrence at earthlink.net
Wed Jan 25 23:37:13 EST 2006
For those who struggle with iambic keying, I thought this analysis written
by Marshall Emm (N1FN) particularly enlightening:
> -----Original Message-----
> Subject: [QRP-L] Twin or single paddle?
>
>...
> Recently it dawned on me just how little I'm gaining from the iambic
>keying as I read this great article:
> http://www.morsex.com/pubs/iambicmyth.pdf
>
73,
Steve
aa8af
> -----Original Message-----
> Subject: RE: [Elecraft] iambic modes
>
> Here's an informative link explaining Mode A and Mode B for
> anyone still scratching their head in wonderment...
>
> http://home.att.net/%7Ejacksonharbor/modeab.pdf
>
> Or
>
> http://tinyurl.com/bqr2p
>
> It's been claimed in various histories that Mode B was
> actually a mistake made in an early keyer, but it was a
> functional mistake that ops learned to use. Those operators
> objected to the fact that the last code element wasn't
> automatically sent when expected, so manufacturers like the
> famous Curtis who developed the first keyer
> application-specific integrated circuit (ASIC) keyer "chip",
> included both "modes" in their designs.
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