+09Jan04=======================================================================
+1. removed PC90 which was breaking various filtering things.
+2. added realtime spot formats to sh/dx (at least in basic form), this is
+activated by using either of the keywords 'real' of 'rt' on the command
+line. Also added sh/fdx as an alias.
01Jan04=======================================================================
1. move position of USDB init to get rid of an obscure bug pointed out by
Charlie K1XX.