Mike Blazek wrote: > > > John Becker, WØJAB wrote: > > > > Why do I find so so many RTTY signals up side down > > on the ham bands. > > > > What ever happen to the old standard? > > > > Mark is hi space is low. > > > > John, W0JAB > > > > Hi, John: > > I think the main reason is pretty much all of the other digital modes > use USB regardless of band. > > 73, > Mike N5UKZ
Many modes are insensitive to which sideband is used, which makes possible mistakes inconsequential (packet, pactor I/II, PSK31...) Some people may also not be fully aware that all modes are not created or used equally. 73, Jose, CO2JA
