Re: [IRCA] A DXers future?

2007-09-14 Thread Patrick Martin
John,

Excellent point, small light wire. I use larger light wire for the first
450 feet of the Eastern beverage as there are few supports close
together. The wire went through some 120 MPH winds and did not break.
The only time it broke is when a tree fell on it and even then the
splice at the matching transformer broke, not the wire. I bought #13
stranded copperweld plastic cover stuff from the Wireman a couple years
back that has pull strength of 500 pounds. It is great and light in
weight too. The old #12 house wiring I used was heavy. I still use it on
fence part of the beverage, but supports are 10 feet apart.
  John,  I notice you have the loops with light poles with a cross arm.
I wonder if the loops could be installed between the branches of a tree,
like the shore pine ones behind my house. That way one could be "hid" Is
the "form" really critical? If not, one loop could be put near my
neighbors house 150 feet away in the tree and the second behind the
house. But doesn't one have to faced East/West and the other
North/South?  I guess the one by my neighbors could be East West in a
tree and the second one behind the house I could try a North/South. But
all I want  is to get rid of the IBOC QRM to hear Asia & the Pacific
better, nulling the East. Any thoughts John?

73,

Patrick

Patrick Martin
KAVT Reception Manager

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Re: [IRCA] A DXers future?

2007-09-14 Thread John H. Bryant
One of the nice things about loops that are only 20 feet onna side, 
especially triangular ones is that you can use 24 ga. multi-strand 
Teflon-coated wire or even 26 or 28 ga. The Teflon insulation gives 
the wire much more strength, is relatively thin, though it is also 
expensive.  The point of using that very thin wire is that you cut 
down the wind resistance tremendously. I've had the Wellbrook up in 
Oklahoma on light fishing poles (also low wind resistance) using 28 
ga. wire and had no problems at 60 mph...with unguyed poles, 
even.  The other nice thing with small antennas is that, if they 
break, fixing them is very fast/easy unlike my 70' x100' Big EWEs.

I'm convinced that small tough wire is best for small loops.

John B







At 06:59 PM 9/14/2007 +, you wrote:


>Pat,
>
>If I were to set up two arrays, one would have to be 2 houses down 
>the street.   I could manage one, but would have to get the 
>permission of the home owners association.to have it up 
>permanent.  It would be to hard to take down every morning and put 
>back up at night.  I would definitely get two arrays if I had the space.
>
>I  would think that if the mast was mounted well, the wires could 
>take the wind at the coast?
>
>Dennis,
>Vancouver, WA
>-- Original message --
>From: [EMAIL PROTECTED] (Patrick Martin)
>
> > Dennis,
> >
> > With the Welbrook arrays spaced 40 meters apart, I am wondering "if" I
> > could set them up here and if I could keep them up in the Winter with
> > our high winds.
> >
> > 73,
> >
> > Patrick
> >
> > Patrick Martin
> > KAVT Reception Manager
> >
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Re: [IRCA] A DXers future?

2007-09-14 Thread Patrick Martin
Dennis,

As you may remember the property I use here is long between the houses,
but I don't want to put something out there that is easily seen from the
street. Behind the house is fine, but my problem is the 35-40 meter
spacing of the two loops. I could do it, but not any easy feat. If I
could build one in a tree that would be more transparrent then that
would work, but building something with PVC pipe would stand out too
much. I mainly want a loop system to phase out the East leaving the
NW/SW open. If HD Radio gets to be an issue, then why bother with the
East? Other than the occasional NE TA signal, the NW/SW woluld be my
interest. One problem I do have is my SW EWE is that the pattern is a
bit wider than I would like getting too much CA. I may try a West EWE
and see if the CA signals drop off more.

73,

Patrick

Patrick Martin
KAVT Reception Manager

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Re: [IRCA] A DXers future?

2007-09-14 Thread vroomski


Pat,

If I were to set up two arrays, one would have to be 2 houses down the street.  
 I could manage one, but would have to get the permission of the home owners 
association.to have it up permanent.  It would be to hard to take down every 
morning and put back up at night.  I would definitely get two arrays if I had 
the space.  

I  would think that if the mast was mounted well, the wires could take the wind 
at the coast?

Dennis,
Vancouver, WA
-- Original message -- 
From: [EMAIL PROTECTED] (Patrick Martin) 

> Dennis, 
> 
> With the Welbrook arrays spaced 40 meters apart, I am wondering "if" I 
> could set them up here and if I could keep them up in the Winter with 
> our high winds. 
> 
> 73, 
> 
> Patrick 
> 
> Patrick Martin 
> KAVT Reception Manager 
> 
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> contributors and do not necessarily reflect the opinion of the IRCA, its 
> editors, publishing staff, or officers 
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> 
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> 
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Re: [IRCA] A DXers future?

2007-09-12 Thread Patrick Martin
Dennis,

Great for you with the ferritte pieces. They have made a big difference.
Easy to wrap and to build the boxes.

73,

Patrick

Patrick Martin
KAVT Reception Manager

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Re: [IRCA] A DXers future?

2007-09-12 Thread Patrick Martin
Dennis,

With the Welbrook arrays spaced 40 meters apart, I am wondering "if" I
could set them up here and if I could keep them up in the Winter with
our high winds. 

73,

Patrick

Patrick Martin
KAVT Reception Manager

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Re: [IRCA] A DXers future?

2007-09-12 Thread vroomski


Pat,

I was very impressed with Guy's audio clips from Grayland comparing the 
Wellbrook Phased array to the beverage.  The lack of adjacent channel splash on 
the Wellbrook Phased array was amazing.   I wonder what size backyard it would 
fit into?  The loop I have been using really is working well, not was much gain 
as the Ewe, but less splash and far less noise.  
I followed your lead Pat and ordered 4 ferrite toroid's from Amidon.  Going to 
make some of them chokes.

Dennis,
Vancouver, WA
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Re: [IRCA] A DXers future?

2007-09-12 Thread Patrick Martin
I retitled the subject line, as this has nothing to do with KAST any
longer.
   As I just e mailed another DXer friend, I am moving into more
directional antennas here in NW Oregon. I have no idea if my Eastern
beverage will do me much good in the future on MW. Time will tell. It
"cooks" on the upper frequencies abouve 1200 khz, so it HD becomes an
issue on the lower channels (clears), it still might be useable on the
regionals in many cases.
  I have been reading great discussions on other lists of the Wellbrook
Phased Array. It is spendy, but it looks like it might be the ticket.
The WNW EWE / SW EWEs I have do a great job, but especially on the SW
EWE, I get too much HD noise from CA, the Bay Area up here in the
mornings. As it gets around LSR, CA is already in daylight, so most of
it goes before the TPs fade out up here. But the window of good TP DX is
going to get more narrow with the advent of more HD in Northern CA. The
WNW EWE puts a beautiful null on the likes of KSL as as it gets towards
Winter and the gw extends out where KSL is a problem all day, then
directional antennas will be needed more. We all do what we can. But in
my case I will continue to work on the patterns of the antennas to try
and cut out more domestics.  I would love to develop one that would get
no domestics, except maybe the locals. But I doubt that could to done.

73,

Patrick

Patrick Martin
KAVT Reception Manager

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