[VHFcontesting] RFI/Power line noise problem

John Geiger johngeig at yahoo.com
Wed Sep 18 07:17:22 EDT 2002


Turning to the reflectors for some help in this
problem.  I seem to have a decent amount of static
(s5-6) at times on HF (especially 30 meters and below)
and on 6 meters.  I even bought a FT100D to use on the
reputation of its noise blanker,and the NB does work
on it at times.  Other times it even overcomes the NB.
 I called the local power company who came out to
check for power line noise-using some equipment that
received in the VHF range.  They found nothing from
power lines, but did locate 1 house several blocks
away that was throwing out some static-it isn't this
house that is affecting me as we tried some tests
yesterday turning off their power, etc.  

The power companies conclusion is "Sorry, it is not
our lines, we can do nothing more, good luck."  So
what do I do now?  This noise is frustrating at best,
and really interfering with my receiving at worst.  I
am not ready to conclude that it is not power line
noise, as it seems to me that most people with line
noise problems, get them in the lower HF range, not in
the VHF range like the power companies equipment
tested.

I have tried to locate the offending source in my own
house, and nothing here seems to be causing it.  Cant
seem to null it out using my miniquad-it seems to be
coming from all directions and it is worse still on my
G5RV dipole.  

I do have some noise on 2 meters, not as bad, that is
coming from the NE-I can null this with my 13B2.  I
also can't figure out what this is, or if the two are
related.

Anyone else been through something like this, and any
help or ideas?

73s John NE0P

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