Well, Jim Since you wound both transformers, why not try them both, and see if you can measure any difference? I' guessing you won't see much!
73, Charlie, K4OTV -----Original Message----- From: Topband [mailto:[email protected]] On Behalf Of James Rodenkirch Sent: Thursday, August 22, 2013 2:00 PM To: Mike Waters; topband Subject: Re: Topband: Two 2:1 transformers to choose from!! Thanks, Mike - will try the 2:3 ratio one first! > Date: Thu, 22 Aug 2013 10:21:14 -0500 > From: [email protected] > To: [email protected]; [email protected] > Subject: Re: Topband: Two 2:1 transformers to choose from!! > > P. 7-69 of Low Band Dxing (5th ed.) by ON4UN says a maximum of 4 turns on > the low-Z primary for binocular cores. It might work, but there are other > turns ratios you might try. > > Here is a list of turns ratios for those cores I made: > http://www.w0btu.com/Binocular_core_turns_ratios.pdf > If you get a 500 Server Error message, contact me directly and I'll e-mail > it to you. > > 73, Mike > www.w0btu.com > > On Wed, Aug 21, 2013 at 3:49 PM, James Rodenkirch <[email protected]>wrote: > > > I received enuff "info" and thoughts to know I'll utilize the 5:7 winding > > version. > > > _________________ > Topband Reflector _________________ Topband Reflector _________________ Topband Reflector
