[OKDXA] Gamma Match Info Request

[K2GKK D C_Mac_ Macdonald]

I have finished rebuilding a Cushcraft 6m Beam
that I bought from W5CGP (Ken Goddard).  Took
probably 8 or more hours to clean all parts down
to shiny aluminum with lots of Burndy's Penetrox
for good contact.  

The beam will be 5 feet above a 30 - 10 meter beam
and 5 feet below a 40 meter dipole on a common
mast  (40, 45, and 50 feet).I figure the 40  dipole 
will have less effect on the gamma rod than the 10 
meter radiator will.  Horizontal and vertical polarized 
2 meter beams will be at 53 or 54 feet.  Half slopers
for 160, 80, 40, and 30 meters will slope to NE and 
NW from about 38 feet on the tower.

73 de Mac, K2GKK/5 in SE OKC, OK

Sent from my iPad

> On Nov 9, 2022, at 11:37, D. Boyer <dc_boyer at yahoo.com> wrote:
> 
> Mac, 
> I don’t think it matters, above or below ……. Only the distance to the driven element and length of the gamma rod should matter.  Just my opinion: in the 80s and 90s, all our homebuilt yagis used gamma matches
> Good luck !
> 
> Craig
> W5CCP
> 
> Sent from my iPhone Xs
> 
>> On Nov 9, 2022, at 10:59 AM, K2GKK D C_Mac_ Macdonald <k2gkk at hotmail.com> wrote:
>> 
>> Is there a difference (recommendation) for
>> the location of the gamma rod?  Above or
>> below the driven element>
>> 
>> My installation plan is a Mosley PRO-57-B-20
>> just above top of a 40' tower, 5 element 6meter
>> Yagi-Uda at 45', Cushcraft D-40 40 meter dipole
>> at 50;, and dual 2m Yagi at ~ 53'.
>> 
>> My question regards the 6m beam.
>> 
>> 73 - Mac, K2GKK/5
>> (Since 30 Nov 53)
>> Oklahoma City, OK
>> USAF, Ret'd 61-81
>> FAA, Ret'd 94-10
>> 
>> Cell:  405-642-7337
>> 
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