Guy
Slightly OT, but how do you deal with re-radiation from your inverted L?
I'm about to erect one of your inverted L on FCP and my rx loops are about 50m
away in the other corner of the field. Is that far enough?
David G3UNA/G6CP
> On 24 July 2019 at 07:13 Guy Olinger K2AV <k2av.guy@gmail.com> wrote:
>
>
> I gotta agree with Rob. An inverted L aerial wire will hear ALL the noise
> that is around. Mine sure does. RX antenna will help enormously if there is
> a place to put one that does not get the noise second hand off the L. Not
> enough room? A bit complicated, but "repeated" noise off the L can be dealt
> with.
>
> The worst noises around here heard on my L were all repaired by the power
> company. The nastiest noise was very hard to find, I actually never "found"
> it by looking for it. Noise turned out to be from a bad splice in an
> underground 13 kV cable going from the 13 kV delta overhead out on US 64 to
> the transformer for my eastern neighbor and next house over. It would come
> and go with extended cold weather, but never would correlate to sunlight or
> darkness. I would hear it next to my transformer walking around with my
> battery K2 and a rubber ducky. It would never locate to up on a pole (only
> power noise that didn't).
>
> Finally the splice hard-arced, exploding the fuse up on the pole for the
> neighbor's 13 kV feed, and taking those two houses off the grid. The noise
> went away with the cannon shot noise. Blessed quiet on 160 and 80. I had
> put up with that for almost four years.
>
> In the end, Duke Energy completely reran his AND my buried 13kV lines, and
> replaced his transformer. 35 years in the ground, 35 year old cable design
> and materials, and deficient in THEIR opinion. Was really fun to watch them
> use this super-neat burrowing setup that went right UNDER the woods and the
> creek (whole other story). Now I can hear the lesser noises on my L from
> all over Apex and Cary :>) Need RX antenna for sure. That way I don't have
> to listen to the Cary, NC noise (NE) at the same time as the generally
> closer and louder Apex, NC noise (S, SE).
>
> 73, Guy K2AV
>
> On Tue, Jul 23, 2019 at 9:37 AM Rob Atkinson <ranchorobbo@gmail.com> wrote:
>
> > > Over past few months, I have picked up an S5-S7 noise signature on my TB
> > inv
> > > L antenna with K2AV FCP system.
> >
> > I would not use an inverted L for receiving. Unusable for rx at my
> > QTH but FB for transmitting.
> >
> > 73
> > Rob
> > K5UJ
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