Hello ALan
Good Morning Ian,
This could be a good short piece in RadCom
Been there, done that (or most of it) when the Editor asked for
"something historical" for the July 2003 RSGB Anniversary issue.
The information about 10MHz came along later, from amateurs who were
personally involved with the international ISB links. The UK had a
world-wide network of links between Commonwealth countries at that time,
using transmitters supplied by Marconi, and thus had a very large
influence on the international standards that emerged.
What amazes me is the persistence of the belief that it's all because a
9MHz SSB generator and a 5MHz VFO produce opposite sidebands on 14MHz
and 3.5MHz. Anyone who can rub two numbers together can see that isn't
true... but that makes no difference at all.
--
73 from Ian GM3SEK
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