Fwd: Lowfer Digest, Vol 86, Issue 15
fgentges at mindspring.com
fgentges at mindspring.com
Mon Apr 23 15:13:42 CDT 2012
For some time, the LF crowd has been trying some very low speed CW
signals on HF at very low powers. They are called HiFER signals.
We have a report that a HiFER beacon in North Carolina made it all the
way to Australia. The receiving station used the ARGO software to
process the signal up out of the noise along with a good antenna etc. to
make the path work. This is all very interesting.
See the forwarded message and links for more detail. This message is
from the Lowfer mailing list.
-------- Original Message --------
Subject: Lowfer Digest, Vol 86, Issue 15
Date: Mon, 23 Apr 2012 12:03:04 -0400
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1. Re: Hot HiFER News! (Dexter McIntyre W4DEX)
Date: Sun, 22 Apr 2012 17:44:28 -0400
From: Dexter McIntyre W4DEX <dexter.mc at gmail.com>
Subject: Re: [Lowfer] Hot HiFER News!
To: "Discussion of the Lowfer \(US, European, & UK\) and MedFer
bands" <lowfer at mailman.qth.net>
Message-ID: <4F947BBC.3080606 at gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> It appears HiFER NC has set a new DX record...one that will be very
> difficult to exceed! Steve VK2XV has apparently captured the signal in New
> South Wales, Australia, a distance of 15,400 km. Read his message and view
> the capture on the LW Message Board at: http://lwca.org/mb/msg/2700.htm
> Congratulations, Steve and Dex!
Steve did all the work. The current NC Hifer had been near trouble free
close to 9 years now. I did have to reseat the 555 timer once when TAG
me it wasn't squaring. Also the original battery that was charged with
panel was replaced with a small power supply maybe 7 years ago.
Steve contacted me last week about his attempt. I was planing to set up a
grabber so he would know where to look since the signal drifts with temp
changes. Guess he didn't need any help. I was just now looking at the
wave and noticed slight instant freq changes at random times. I have
this is due to high current appliances like water heaters and the oven
on or off. So the old 12 volt power supply must not have a precision
output. The freq change is only 10 or so millihertz but noticeable on
QRSS10 mode. Grabber presently running:
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End of Lowfer Digest, Vol 86, Issue 15
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