[Lowfer] 1704 on the money and QRSSing

Mon, 3 Nov 2003 18:14:55 -0600

Ya the transmitting loop is interesting as you just can't put it up like a
quarter wave vertical or dipole and trim it to resonance and have it work
awesome without any hardcore knowledge of how it works. Take for example
some nice friendly fellow over the pond that ran a feedline to his loop wire
direct and tuned it from inside his house and then proceeded to say that the
loop is a poor performer. Ha Ha Ha... That is why we need Master Loopers
like Bill to educate us fellows on TX loop theory.

Mike>WE0H

-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Bill Ashlock
Sent: Monday, November 03, 2003 2:24 PM
To: [email protected]
Subject: Re: [Lowfer] 1704 on the money and QRSSing

>Man... now you got me all bummed out...

Not uncommon for loop neophytes! Ask Mikes S and R about this. <GG> I think
I'm lucky NOT have had the regular class of Ham Antenna Indoctrination 101.

>I may just take a bunch of #12 and make a  Fat dipole out of it.
>Build a cage out of a bunch of vertical strands tied together at the top
>and
>bottom.  Stick a little top hat up there.
>Then go to home depot and spend my lifesavings on chicken wire.

That doesn't seem like 'giving-up' to me!

>I put my LF current probe100turns/100 ohm on the loop to try and measure
>voltage, for relative purposes. There is about .2 to .3 volts  volts on the
>antenna
>even without a coax attached to it.

Oh Geez; what a riot! That's .2 to .3 Amps worth of loop current when
connect as a TX loop. Can you rotate the loop to null that out while making
TX measurements?

>It must be from the local 610 Khz  station.

>1704 will be up for a few days anyway to see what happens.

Didn't see anything last night at 1704k. Can you measure your far-field
radiation? I'm building a down- converter/E-probe for this - which I'm going
to need pretty quick. You see, I need the confidence that "I'm getting out
of the back yard" (Ham term?) before I announce to the world......  That way
it appears that everything from WA land works 100% <G>

Bill A

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