Don, In a previous lifetime I Placed my 20 mtr
beam above the 15m beam.
( Both 5 el monobanders) There was a
Noticeable difference in the
performance of the 15m yagi... both antennas had
good swr , but
the 15m yagi was VERY bad ...........Bill / w2ay
********************************************************************************--------------------------------------------------From: <[email protected]>Sent: Thursday, December 11, 2014 2:35 PMTo: "Joe Subich, W4TV" <[email protected]>Cc:
<[email protected]>Subject: Re: [TowerTalk] Single tower and 3 monobandyagis -"Christmas three"> I agree with Joe, W4TV, but, would add the comment:>> PUT THE 20M monobander on TOP of the stack .. that is ..invert it, with the 10m on the
BOTTOM.>> 73> Don> N8DE>>>> Quoting "Joe Subich, W4TV" <[email protected]>:>>>>> Unless the monobanders have been designed to operate in astack>> ("Christmas tree"), stacking them as closely as will beneeded to>>
stay within your 5m mast will certainly reduce theirperformance.>>>> If the monobanders have been optimized to work in a stack,use the>> spacing for which they were designed.>>>> 73,>>>> ... Joe, W4TV>>>>>> On 2014-12-11 9:16
AM, Fuad Arnautovic wrote:>>> Hi all>>>>>> I need advice from
some mo
re experienced with stackingabout possible setup.>>>>>> Have self-standing tower abt 18 mtr, mast 50 mm (2") 5-6metres long>>>>>> Antennas are three monoband yagis as follows>>>>>> 20m 4el 9,5m boom>>> 15m 5el 9,6m boom>>> 10m 5el 7,6m boom>>>>>> Does it "Christmas tree"
setup working well with thismonobanders? What is your recommendation for vertical spacingbetween? Does 2" mast is strong enough to support all them.>>>>>> I would install lowest antenna for 20m then 15m and on thetop 10m>>>>>> I know that is compromise against performance and radiationpattern, but actually cannot install another
tower>>>>>> Please help>>>>>> Thanks in advance>>> Fudo, E73CQ>>> _______________________________________________>>>>>>>>>>>> _______________________________________________>>> TowerTalk mailing list>>> [email protected]>>>
http://lists.contesting.com/mailman/listinfo/towertalk>>>>> _______________________________________________>>>>>>>> ___________________________________
________
____>> TowerTalk mailing list>> [email protected]>> http://lists.contesting.com/mailman/listinfo/towertalk>>>>
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