On 21 Aug 2005 at 8:40, Robert Tellefsen wrote:
> Two things will make matching easier. Get two > baluns, 1:1 and 4:1. Put them on the two > antenna ports of the ATU Looking at the two versions of the BL1 for 1:1 and 4:1 Can you not use a 2pco ( dpdt ) switch or relay to change between the two ?. Commons to the two inner windings ( see BL1.pdf ). Short them for interconnect on the NO connections for 4:1 Parallel them on the NC connections for 1:1. _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com

