[Towertalk] Re: Re: IS Boom length the HOLY GRAIL ?

[Jan Erik Holm]

Ok, what issue of CQ mag and how did you do to measure
the 50% efficiency of the Yagi antenna?

73 Jim
-------------------------

Bill Wall wrote:

>Hi Jim;
>The published article was in CQ magazine a few years ago. After many years
>of antenna comps. I have found it to be more than true.
>Bill
>----- Original Message -----
>From: "Jan Erik Holm" <sm2ekm@telia.com>
>To: <towertalk@contesting.com>
>Sent: Saturday, November 16, 2002 11:22 PM
>Subject: [Towertalk] Re: IS Boom length the HOLY GRAIL ?
>
>
>  
>
>>Where can I read about this? Or is this by your own measurements?
>>
>>73 Jim SM2EKM
>>---------------------------------------------
>>
>>Bill Wall wrote:
>>
>>    
>>
>>>50%. Put 1000 watts on the Quad and you have apprx. 900 watts. Put 1000
>>>watts on the same Yagi and you have aprrx 500 watts out. The power is
>>>      
>>>
>lost
>  
>
>>>in resistive heat.
>>>       Bill Wall KC4UZ  Antenna Mart
>>>      
>>>