> Rich said:
>
> "To avoid choke fires, keep all resonances at least 6% from amateur bands.
> Choke resonances should be checked with the hv rf choke wired into the
> circuit and not shorted."
Colin said:
> This is an example of bad information. The question was about series and
> parallel resonances. As has been pointed out in other posts, parallel
> resonaces are not bad at all. In fact, it is desired. A parallel
> resonance will not result in a choke fire.
Series resonances can only be found by shorting the choke from
end to end and using a dip meter, or measuring the impedance
with the choke open but only the bottom connected.
In all cases the choke should be in the final location.
73, Tom W8JI
w8ji@contesting.com
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