Xref: utzoo sci.electronics:16292 rec.ham-radio:28219
Newsgroups: sci.electronics,rec.ham-radio
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: morse code
Message-ID: <1990Dec16.002215.10720@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <1990Dec12.231058.23895@engin.umich.edu> <1990Dec14.012315.7858@zoo.toronto.edu> <1990Dec14.150737.2609@mozart.amd.com>
Date: Sun, 16 Dec 90 00:22:15 GMT

In article <1990Dec14.150737.2609@mozart.amd.com> reed@mozart.amd.com (David F. Reed) writes:
>and as far as punching signals through the noise, you will find it hard
>to beat (without the military budget) that active filter most humans have
>between the ears, occupying the cranial cavity.

For digital communications purposes, much better active filters can be, and
already are, implemented in silicon at amateur prices.  Ask some of the folks
doing digital satellite communications with modern modulation techniques.
-- 
"The average pointer, statistically,    |Henry Spencer at U of Toronto Zoology
points somewhere in X." -Hugh Redelmeier| henry@zoo.toronto.edu   utzoo!henry