[TowerTalk] 6 or 8 ele 20 meter beam

[Herbert Schoenbohm]

What did famed moon-bounce king Sam Harris used to say....?  "If your 
antenna stays up its not big enough" ☺


On 2/2/2017 4:58 PM, Jim Thomson wrote:
> Date: Wed, 1 Feb 2017 12:12:24 -0700
> From: W0MU Mike Fatchett <w0mu at w0mu.com>
> To: Towertalk <towertalk at contesting.com>
> Subject: [TowerTalk] 6 or 8 ele 20 meter beam
>
> I am looking to side mount and maybe rotate a 6 or 8 element 20 meter
> beam would anyone care to share their designs?  I have a bunch of
> aluminum itching to become an antenna!
>
> W0MU
>
> ##  side mount on what type of tower ?    Maybe rotate  ?   If it
> is fixed in direction,  you are stuck in one direction, with half power
> points well  below 48 degs.
>
> ##  dave is right, stacking a pair of small yagis  would provide the
> same aprx amount of gain.  A pair of 204BAs, at 40 lb each, is
> a lot easier than  60-88 ft long boom monsters.   Then you can use
> the typ  top – bottom – both config.   The monster yagi, at the wrong
> height for that particular  time of day leaves you with no options.
>
> ##  with a boom in the 60-88 ft long range, the  tq issue on the tower has
> to be dealt with.  Along with ice + snow loading, ice + wind at the same time.
> If the swr is off a bit, then what, haul the monster back down ?   Any type of
> feedline  or balun issue, and again, it has to come back down.   There is  big, then
> there is too big.
>
> Jim  VE7RF
>
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