Does anyone have access to a Ham Radio Magazine Dec 1969 article regarding a
Swan 250 modification (page 84). If so could I either get a copy or info on
what this mod is? Working on a Swan 500CX whose manual has a note that this
modification was made - there has been a modification to use alternate 1st
and 2nd IF tubes, 6GM6s versus the stock 12BA6s - is this the mod discussed
on this article?

Many thanks, Bob NB3W