[TowerTalk] TowerTalk Digest, Vol 86, Issue 14

[Force12.Mark]

David

Force 12 has a 6 element OWA 15M on a 36' boom.  Force 12 has been 
building OWA's since before the OWA name was invented.

The numbers for the Magnum 615 are:

Boom Length 36'
Wind Load 4.3 sqft
Gain @ 74'	16.4 dBi
Net Gain	8.5 dBd
F/B	24dB
SWR	<1.4:1
Radius	20.3'
Weight	45#
Mast Torque	<700 in/lb

Current Price: $1199

Mark

On 2/4/2010 9:22 AM, towertalk-request at contesting.com wrote:
> ------------------------------
>
> Message: 9
> Date: Thu, 4 Feb 2010 09:58:13 -0500
> From: "David J. Sourdis - HK1A"<hk1kxa at hotmail.com>
> Subject: [TowerTalk] 15 m OWA
> To:"towertalk at contesting.com"  <towertalk at contesting.com>
> Message-ID:<COL115-W50D515FBC3CA6D71F84418F550 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=7523
>
> I have seen the OWA antenna designs graciously shared with all on this page.
>
> 48 footer booms are sooo long.
>
> Is there any OWA design available for 21 MHz, six elements on a 39 feet boom (12 m minus tips) for a two Yagi stack?
>
>
> David
> HK1A
> EC5KXA
> ex-HK1KXA
>
>