[50mhz] polarization ?

[Chris Boone]

I bought 2 PARs and while its good for Rover use, I CANNOT recommend it for
fixed use...poor construction for permanent use, the matching network blows
up more than 100w input to the input...it uses PC board as matching caps
instead of SM caps which would prevent this!......and no permanent
connection between the main horiz "pipe" and the rods forming the two sides
of the triangle that meet in front...loose and depends on PRESSURE...not
worth the issues! Build your own ...I can give you the cap values.

The DESIGN is good...but alas, not the construction.

Chris
WB5ITT
> -----Original Message-----
> From: 50mhz-bounces at mailman.qth.net [mailto:50mhz-
> bounces at mailman.qth.net] On Behalf Of Steve Grimes
> Sent: Sunday, October 02, 2011 2:11 AM
> To: W0MU Mike Fatchett
> Cc: 50mhz at mailman.qth.net
> Subject: Re: [50mhz] polarization ?
> 
> I just bought a Par OA-50.  It's an omni and 63 reviewers gave it a
> 5/5 on EHam.  It is horizontal polarization, but it can easily be used
> as a base or mobile.  The shape is an isosceles triangle.  Supposedly,
> it hears really well and has a low noise level.  Check it out.  Dale
> will be happy to answer any questions with a phone call.
> Steve
> KJ4KKI
> 
> On 10/1/11, W0MU Mike Fatchett <w0mu at w0mu.com> wrote:
> > How about a loop?  The M2 6m loop has gain in all directions.  I would
> > mount a loop horizontally.
> >
> > Mike W0MU
> >
> > J6/W0MU November 21 - December 1 2011 CQ WW DX CW
> > W0MU-1 CC Cluster w0mu.net
> >
> >
> > On 10/1/2011 9:38 PM, Bill Aycock wrote:
> >> I want to mount a near-omnidirectional antenna for general monitoring
> >> purposes on 6M. A Simple Dipole will probably work, but I might want to
> >> explore other options. I have a Yagi to switch to if I hear anything.
> >>
> >> My thoughts have been on a 5/8 wl Vertical GP, but I don't know the
> effect
> >> of the polarization.
> >>
> >>   For conventional HF, like 40M, polarization seems to change over the
DX
> >> path, so it is common for a station to mix transmit and receive
> >> polarizations, without problems.
> >>
> >> Modeling shows that I should be able to concentrate the pattern into
the
> >> region below 24 deg, by varying the number and "Droop" angle of the
> radial
> >> GP elements. Some gain results.
> >>
> >> Commonly, verticals are used in the FM part of the band, but I am more
> >> interested in lower frequencies. (Within the 6M band)
> >>
> >> I have used Polarization as my subject, but, really, advice on other
> >> aspects
> >> of this matter are welcome, and no wire or tubing has been cut yet, so
I
> >> am
> >> open.
> >>
> >> Bill--W4BSG
> >>
> >>
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> 
> --
> ************************************************
> Steven Grimes  KJ4KKI
> EM66sx Bowling Green, Kentucky USA
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