Topband: How do you count the turns on a binocular core?

Kenneth Grimm kgrimm at
Fri Jan 12 13:08:30 EST 2007

Petr Ouředník wrote:
> Guys,
> believe to Tom, W8JI that only "pass and olny pass through" is one turn ! Its easy to remember and always correct for winding cores. In case of binocular again is considered once through and once back, unless the two holes are used independently instead of for a common winding as Tom said. 
> Forget an other ways and You will have no any more troubles with winding the cores...
> best regards,
> Petr OK1RP
Hi Petr,
Yes, that is how I have been winding binocular 9:1 and 16:1 transformers 
for my beverages and pennants.  I brought this up because of an 
inconsistency in John's book.  I've written to him about this and will 
share his comments with the reflector when he replies.


Ken K4XL
k4xl at

*** BoatAnchor Manual Archive ***
On the web at and
FTP site info: login: anonymous p/w: youremailadr

More information about the Topband mailing list