View Single Post
  #27   Report Post  
Old December 16th 08, 12:38 AM posted to rec.radio.amateur.antenna
Jerry[_5_] Jerry[_5_] is offline
external usenet poster
 
First recorded activity by RadioBanter: Jun 2008
Posts: 133
Default Phasing of stacked Yagis


"Richard Clark" wrote in message
...
On Mon, 15 Dec 2008 23:57:39 GMT, "Jerry"
wrote:

Hi Richard

What is the reasoning used to indicate 300 ohm line is used in (B) of
the
referenced http://www.vk1od.net/lost/Fig7.png .?


Hi Jerry,

It should follow the rule of being the square root of the product of
the source and load Z.

73's
Richard Clark, KB7QHC


Hi Richard

OK, on the geometric mean, but, the author surely realized *that*. I got
the feeling that I was missing something of value when it wasnt obvious to
me why 300 ohm line was used.

Jerry KD6JDJ