WAV files sounds like normal summer time thounderstorms. My receiver sounds
like that just about every summer day. Is the noise below the static
crashes?
73,
Randy
----- Original Message -----
From: "Dale J." <dj2001@mn.rr.com>
To: "Scott Ginsburg" <k1oa@comcast.net>
Cc: <rfi@contesting.com>
Sent: Wednesday, June 16, 2004 6:37 PM
Subject: Re: [RFI] need ideas on hunting down QRN-like noise source -.wav
files
> Sounds like electrical storm static. Otherwise I don't know, never
> heard anything like that at my QTH. Would be good if you could ID it.
>
> Dale, K9VUJ
>
>
> On Jun 16, 2004, at 18:21, Scott Ginsburg wrote:
>
> >
> > Alex, KR1ST, has done me a huge favor by posting
> > a couple of .wav files on his website which contain
> > about 10 seconds each of my HF noise, one recorded
> > on AM, the other on upper sideband.
> >
> > They are:
> >
> > http://www.kr1st.com/k1oa/k1oanoise-20M-AM-6-15-04.wav
> > http://www.kr1st.com/k1oa/k1oanoise-20M-USB-6-15-04.wav
> >
> > If anyone needs longer samples please let me know and
> > I can generate another file.
> >
> > tnx and 73,
> > Scott, K1OA
> >
> >
> >> Can you record this noise at it's worse and put it in a .wav file so
> >> we can
> >> listen to it. Hearing it can give us some ideas.
> >> ----- Original Message ----- From: "Scott Ginsburg" <k1oa@comcast.net>
> >> To: <rfi@contesting.com>
> >> Sent: Monday, June 14, 2004 8:50 PM
> >> Subject: [RFI] need ideas on hunting down QRN-like noise source
> >>> I'm currently plagued with two sources of HF RFI, and for the
> >>> moment am concentrating on locating one of them. Any help
> >>> I can get from the RFI sleuths on the list would be greatly
> >>> appreciated!
> >>>
> >>> The noise in question showed up about a month ago, and appears
> >>> as a combination of white noise and random, rapid static crashes.
> >>> The static crashes, or bursts, sound a lot like heavy QRN.
> >>>
> >>> It is typically the loudest on 14 MHz, and can be heard from 7-24 MHz
> >>> when it's at its worst, with peaks on 14 MHz of 10 over S9. I hear no
> >>> buzzing when listening on AM. My noise blanker has no effect.
> >>>
> >>> Its presence can't be correlated with weather. I hear it on both wet
> >>> and dry days, wind or no wind.
> >>>
> >>> It seems to peak from a certain direction when I listen on my HF log
> >>> periodic. I've driven the neighborhood streets (up to 2 mi away)
> >>> with my
> >>> 706 and hamstick in the car and can hear what I think is the noise in
> >>> certain locations, but never loud enough to be a "smoking gun". I
> >>> verified it's not coming from my house, by killing power and
> >>> listening
> >>> in the driveway on my 706 to the noise.
> >>>
> >>> Early morning is typically very quiet. At 6:30 AM local time I
> >>> usually
> >>> hear only silence, or a few weak bursts of noise which sound like the
> >>> problem. It typically peaks by noon. I almost always hear it in the
> >>> evening and at night.
> >>>
> >>> Any hints anyone might have as to what a possible source might be or
> >>> the best way to continue trying to track this down would be
> >>> appreciated.
> >>>
> >>> 73,
> >>> Scott, K1OA
> >>>
> >>>
> >>> _______________________________________________
> >>> RFI mailing list
> >>> RFI@contesting.com
> >>> http://lists.contesting.com/mailman/listinfo/rfi
> >
> >
> > _______________________________________________
> > RFI mailing list
> > RFI@contesting.com
> > http://lists.contesting.com/mailman/listinfo/rfi
> >
>
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