"junius" wrote in message
oups.com...
Well, CODARs typically use 150 kHz or so.
That makes them kind of obnoxious.

Horrendously obnoxious.


DRM isn't typically a wide signal, is it?
Typically it is no wider than a normal AM
signal, right?

http://www.drm.org/system/technicalaspect.php

So it can be 5 to 20 kHz wide.
i.e. up to 4 standard AM broadcast channels.


I can't say I've heard many DRM signals
on shortwave. There is one local MW AM
station that appears to be using it.
At what freq is there a regular DRM broadcast on
SW?

schedule at http://www.drm.org/livebroadcast/livebroadcast.php

Hmm. Not to many of them are good prospects to be
received in southern California.

I'm hearing something like a DRM at 2723 kHz now,
utc 2006/01/15 0414. About equal in strength with the
general S2 noise.

Thanks for the links.

--
rb