ORIGINAL MESSAGE:
On Mon, 22 Oct 2007 12:47:08 -0400, Jerry Flanders
<jeflanders@comcast.net> wrote:
>
>But - how big a "guard band" should we actually allow for something
>like this? Do we back off far enough to make it possible to copy the
>beacon on a $30 toy-quality pocket shortwave receiver?
------------ REPLY FOLLOWS ------------
A CW signal sent at around 20 wpm occupies a bandwidth of around 100
Hz more or less. Personally, I allow +/- 250 Hz which means a total
bandwidth of 500 Hz, and that should be enough. Anyone trying to copy
CW with greater than 500 Hz bandwidth is not using good communication
practice.
73, Bill W6WRT
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