Jack Hamilton wrote:
So here's my question: is there a Windows application or web app that
will display a carrier and its sidebands, along with the modulation, in
a useful way?

Here is a list of several Java Applets which are doing what you
are looking for:
http://users.pandora.be/educypedia/e...modulation.htm

Some broken links, but for all three, AM, FM and SSB there are
very nicely working applets.

Hint: The above link was the first Google hit for the search term
"modulation java applet FM AM SSB".

73,
--
Fabian Kurz, DJ1YFK * Dresden, Germany * http://fkurz.net/