[Lowfer] ping

Sun, 6 Apr 2003 19:27:10 -0500

Thanks Jay,
You could be right, and easy enough to check. I will have to do that, maybe
tomorrow if the thunder storms move out.
I don't want to go back to smaller Loop, but i might haft to.
The 100 ' was working fine though, do you think it would be two small for
xmit.( the 150' )
Lewis
God Bless America
----- Original Message -----
From: "Jay Rusgrove" <[email protected]>
To: <[email protected]>
Sent: Sunday, April 06, 2003 05:27 PM
Subject: Re: [Lowfer] ping


> Lewis
>
> It's probably not a matter of antenna Q. More likely,  the larger capture
area
> (and therefore bigger signal level) off the bigger antenna is causing IMD
in
> either the loop preamplifier or the receiver front end. You could try
inserting
> a step attenuator between the loop preamplifier and the receiver. If the
problem
> is in the receiver front end additional attenuation will remove the
problem. If
> the loop preamplifier is at fault the attenuation will not remove the
problem.
> My guess would be the loop preamplifier. If it turns out to be the loop
> preamplifier you'll either have to fall back to a smaller size loop or
build a
> more robust preamplifier.
>
> Jay Rusgrove, W1VD
>
> Jay Rusgrove, W1VD
>
> Lewis Denton wrote:
>
> > No thanks,
> >    You all can keep that snow and ice, I came down here from KY. on the
> > Indiana line in the 50's and fell in love with the weather. today
forecast,
> > tornado watch, wind blowing 20 mph with gust , temp mid 80's.
Thunderstorms
> > very poor for LOWFERING.
> > Question. I increased my 100 ' loop to 150' and the Q went crazy, now I
have
> > loran on 185.3, I think I have passed the max for receiving Loop. any
> > comments ? oh it is RG_59, using the braid and center Ted together. the
> > bottom is about 6' from ground, SQ.
> > I fired up LP today as I couldn't listen. the vertical loaded up fine,
of
> > course it is in the open.
> > Lewis
> > God Bless America
> > ----- Original Message -----
> > From: "Mitch Powell" <[email protected]>
> > To: <[email protected]>
> > Sent: Sunday, April 06, 2003 01:45 PM
> > Subject: Re: [Lowfer] ping
> >
> > >
> > >
> > > >
> > > > The neat thing about the loop is that mine was full of ice and the
trees
> > > > were totally covered and it still made it to southern Alabama.
> > >
> > > Obviously the ice cools the loop and makes it into a
> > > super-conductor with minimum losses.   It's too bad we
> > > can't share this valuable asset with lowfers in the Southern
> > > states - <gr>
> > >
> > > Mitch
> > >
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> >
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