[AMPS] Re: RF choke for SB-1000

[Vic Rosenthal]

Martin Ellis wrote:

> I also have a SB1000 which I built from the kit. Soon after I built it
> (around 1990) I became aware that Heatkit was offering a replacement
> RF choke.  I gave them a copy of my proof of purchase (Portland Radio)
> and Heatkit sent me a new RF choke which I fitted to the SB1000.
> 
> I believe the new choke was to allow operation on the (new) 17m band.
> The original choke is a same diameter continuous winding.
> The replacement choke has a smaller diameter on the upper part of the
> ceramic former, making two sections.

My ceramic form is one size, so I guess I had the old model.  I do not think Heathkit
is in business any more, but I am going to look into getting an Ameritron choke. 
It's hard to make a good choke when there are so many bands!

Vic K2VCO

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