ORIGINAL MESSAGE:
On Fri, 24 Apr 2009 12:57:02 +0100, jonathan white
<jonathan.white20@btinternet.com> wrote:
> As the supply of decent band switches is diminishing,what is the
>feasibility of using relays with heavy duty contacts say 30Amp rating.
>I say this as a neighbour of mine worked on High power SW transmitters
>and he said that they used relays is they had to change bands as
>specified by customer.They are used in auto atu/amu`s where there are
>large circulating currents,
>So what is the views of the communality as Band switches in UK at least
>is becoming bad,to none existant.
REPLY:
That would certainly work, but suitable switches are very expensive
unless you have a special source.
High power band switches are available from:
http://www.multi-tech-industries.com/soptions.html
Good stuff, but expensive.
73, Bill W6WRT
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