[TowerTalk] M2 Log Periodic: Can it be tower side mounted?

Larry lknain at nc.rr.com
Mon Sep 5 19:33:02 EDT 2016


There are a number of potential problems:

1. The balance point is just a few inches forward of an element that 
would be in a tower. Moving the mounting point forward might make it 
work but then you would probably need some counter balance weight.

2.  The phasing lines run down the top of the boom and do not extend too 
far out (maybe as much as two inches although I think it is less) from 
the boom.

3.  Moving the mounting point forward would be a conflict between the 
phasing lines and the mounting plate. The mounting plate is a square 
with two diagonal corners running with the boom (think diamond). The 
"top" corner of the plate goes between a point where the phasing lines 
cross over one another. Moving the plate may put the plate in contact or 
at least very close to the phasing line.

73, Larry W6NWS


On 9/5/2016 2:58 PM, Richard Thorne wrote:
> I'm looking at a 7&10-30LP8 log periodic.
>
> After looking at the manual I don't think it's side mountable on a 
> tower due to the phasing lines.
>
> If anyone has experience with this antenna I'd like to hear from you.
>
> Thanks,
>
> Rich - N5ZC
>
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