[RFI] Link-coupled loop - more.

tlthompson tlthompson at qwest.net
Wed Apr 2 21:55:53 EDT 2014


Hi Charlie,

I bought a middle of the road compass from REI.  I did not get the one 
with a mirror, but that might be helpful.

Tom   W0IVJ

On 4/2/2014 7:39 PM, n0tt1 at juno.com wrote:
> Hi Tom, (W0IVJ)
> > What I do is null the signal with the loop.  Since the RFI signals
> > all
> > seem to be vertically polarized, You are looking through the loop in
> > the
> > direction of the nulled signal.
> OK, understand.
> >I site a distant object through the
> >
> > loop and then get a compass bearing from the object. That being
> > said,
> > rather than take careful bearings, I find it more productive to walk
> > in
> > the direction of the signal while alternatively looking for a peak
> > and a
> > null until the signal is very strong.  At that point I can always
> > identify the house where the RFI is emanating.
> OK on that.  We all have our methods and that can vary
> depending on where we are DFing.  But, my question
> was about the particular type/style/model of COMPASS
> that you and others use/might use for their own DF'ing
> antenna.
> Some may not use a compass at all, and some may
> choose anything in between.  Some may use a "boat compass"
> and others something else.
> So, guys, what style/type/model works best for YOU if you
> use a compass?
> Charlie, N0TT



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