[50mhz] Stack spacing question

Chris Boone Cboone at earthlink.net
Sat Aug 20 06:09:02 EDT 2011


I always stack lowest freq to highest upwards regardless of boom
length...Just keep them 4 ft apart and you're good to go.
(Think weight factor)

Chris
WB5ITT

> -----Original Message-----
> From: 50mhz-bounces at mailman.qth.net [mailto:50mhz-
> bounces at mailman.qth.net] On Behalf Of Mark Drieci
> Sent: Saturday, August 20, 2011 3:43 AM
> To: 50mhz at mailman.qth.net
> Subject: [50mhz] Stack spacing question
> I am erecting a new VHF tower with a modified Cushcraft A505 (18 foot
> boom)
> and a Cushcraft 17B2 (31 foot boom) in a vertical stack.
> Conventional wisdom suggests that the 6M antenna be placed atop the 2M
> antenna as it has the shorter boom.
 
> I have read the section of the ARRL Antenna book where it describes
stacking
> scenarios of the 2M over 6M beams, but there are none described that are
> similar to my own.
> 
> I am seeking input from the list members on the optimal stacking distance
> between the two yagis to minimize interaction
>  
> Any comments on this subject are greatly appreciated.
> 
> Thank you in advance.
> Mark - KA4MAY



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