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 <rodenkirch_...@msn.com>wrote: > I received enuff "info" and thoughts to know I'll utilize the 5:7 winding > version. > _________________ Topband Reflector
