[TowerTalk] Balun filler

[Chuck Counselman]

At 7:44 PM -0400 7/15/03, Joe Reisert wrote:
>...the balun that WX0B sells I believe is a copy of the W1JR broad 
>band toroid balun design as originally described in my Ham Radio 
>Magazine, September 1978 article! Changing the core material to type 
>43 ferrite will probably extend it down to 160 meters.


For those of us who haven't saved our magazines from 1978, can you 
please give us the vital stat's of your broad band toroid balun 
design?  What material?  What size toroid(s)?  How many turns of what?

And do you have impedance measurements?

Tnx.  -Chuck, W1HIS