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Re: [IRCA] DKAZ questions

No argument about the cost. But getting it working out of the starting gate is nice if one's time is at a premium.
Do you mean transformer and weatherproof amplifier at the antenna Chuck? Unfortunately, I have no experience of that.
And, I don't have anecdotal info about the DKaz using both amplifiers unfortunately, but the experience with the Flag was that a transformer at the antenna and amplifier at the radio seemed to deliver a noisier signal (though just as loud) than replacing that setup with the FLG100. At the time I presumed that the Flag was having common mode problems on the coax feedline so that household electrical noise was being conveyed to the Flag. I assume that chokes and cleaning up the wiring around the shack might have helped that problem, but a regular paycheque made buying the FLG100 a better choice, in retrospect. Time was a cost too then (when isn't it?) 

best wishes,

Nick


At 03:36 07-10-16, you wrote:
But what I'd like to know is whether a homemade 16:1 transformer and a 20 dB 50 Ohm preamp work just as well. They would cost a lot, lot less, but (I assume) give up a small amount of gain. 


Chuck

________________________________
From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Nick Hall-Patch <nhp@xxxxxxxx> 
Sent: Thursday, October 6, 2016 7:02 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] DKAZ questions

Agreed.    They do cost a fair amount (mind you the exchange rate
with the pound isn't bad right now), but are solidly built and work
very well.   Money well spent.


best wishes,

Nick

At 22:17 06-10-16, you wrote:
>I very strongly recommend the Wellbrook FLG100LN, They go right at the
>antenna and replace your xfmr. Now what is picked up by the antenna is
>amped 22 dB whereas what is picked up by the coax is not amped at all.
>
>I have two of these and they've survived IL weather for over 3 years.  73
>KAZ Barrington IL
>
>On Thu, Oct 6, 2016 at 4:29 PM, Mark Pettifor <mark@xxxxxxxxxxxxxx> wrote:
>
> > For those of you who have DKAZ antennas, which preamp do you use? Do you
> > find it makes much difference whether you put it at the antenna or in the
> > shack?
> >
> > I need to "finish" construction on mine. Right now, I have two 470-ohm
> > resistors alligator-clipped together for the null end, and a hand-wound
> > transformer (my first ever) on a core made of unknown material, to go from 
> > 940 to 50 into a 50-ohm feedline.... RG-8X, 150 feet. That is also
> > alligator-clipped together. It was for testing, ya know?  :^)
> >
> > It's been pretty good as is, but I want to get it ready to survive the
> > winter.
> >
> > BTW, it's amazing the amount of noise just a short length of RG-8X 100%
> > shielded coax will pick up. I have it mostly on the ground, but have a
> > small part of the run overhead for now (30 feet?) so I don't mow over it.
> >
> > I know this is probably all in the archives, but technology changes, what
> > people consider the "best" changes as they learn from experience, etc, etc. 
> >
> > Thanks!
> >
> > Mark Pettifor
> > 140' DKAZ pointed south
> > random wire sloping up to the NW about 150 feet long, non-terminated
> > ELAD FDM-S2
> > Near Goshen, IN
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Nick Hall-Patch
Victoria, BC
Canada

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Nick Hall-Patch
Victoria, BC
Canada 
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IRCA mailing list
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http://montreal.kotalampi.com/mailman/listinfo/irca

Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers

For more information: http://www.ircaonline.org

To Post a message: irca@xxxxxxxxxxxxxxxx