On Sat, 01 Oct 2011 13:16:23 +0000, Scott rearranged some electrons to
say:

In message , Bob
writes
They're general coverage receivers out there that you can tune to any
frequency that is within their capabilities.
Google "online receivers" or such.


Here's another site: http://www.globaltuners.com/

For PSK31, here's one that can select by band and call sign:

http://pskreporter.info/pskmap.html