Dan/W4NTI wrote:
"N2EY" wrote in message
...

In article , Mike Coslo
writes:


The question kind of states it. I suppose that the BW might be wider as
the speed increases.

Mike,

The bandwidth of a Morse signal is determined by the rise and fall times

of the

leading and trailing edges of each dit or dah, and the shape of the rise

and

fall.


The reason I ask is that on 3580 tonight, we're all sitting there fat,
dumb, and happy, when W1AW starts it's CW broadcast.

Who is "we", Mike?


And it's some 700
kHz wide!!!

How did you determine the bandwidth?


And now I'd swear it's almost 3kHz wide. That's like SSB!!!

Yep. Such a bandwidth would require extremely "hard" keying, though. Or a
modulated carrier.

Needless to say, their strong signal was pretty tough on all us 5 and
ten watters. you could get most of a message through, but it took a lt
of the fun out of it.

Was the AGC on?

73 de Jim, N2EY



Part of the equation here is the receiver, as Jim N2EY was bringing up. A
lot of folks don't understand that actual bandwidth and apparant bandwith as
determined by a receiver are not the same in most cases.

Also I really don't see the problem, why did you just sit there? Were you
all rock bound or what?

Move frequency, were not channelized, yet.

That isn't my point, Dan. That wasn't a good signal W1AW was putting
out, and it was making a mess out of the local neighborhood. Usually PSK
and OOK Morse get along just fine.

My point is that by coming out with a ratty signal, W1AW was doing what
so many hams were complaining about K1MAN does. Fire it up, and too bad
for the rest of you.

That and wondering what a CW signal Bandwidth was in the first place.

- Mike KB3EIA -