Does anyone have expereince dealing with the DavisRF company or their
CW18 copperweld? Please reply to me directly.
Cheers
Joe VO1NA
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Mike,
We bought a Samsung HD TV a few years ago. It puts out a birdie every 25khz or
so and can be heard fairly strong on 160..one around 1825. It also puts out a
pulse type trash in large portions of 80/75 mtrs. I can hear it out in the back
yard shack. The only way to get rid of the noise is t
I have had two instances over the past few years of similar noise Mike.
Both cases turned out to be small switching power supplies...one for a
Dell laptop, the other for an LCD monitor. Both supplies were very
quiet under normal circumstances, but were laying on the floor along
with lots of coax
Many topbanders pull their radials up at the end of the Topband season in
the Spring, and re-deploy them in the Fall. I've tried laying thin-wire
radials and have had troubles with the dog catching his nails on the wires, or
digging them up. Occasionally, I've had trouble with the mower or
Typical switch-mode noise. Over the years, I have had to identify several
of these noise sources from within my own home as well as neighbors. Keep
in mind this is a different type of noise to localize than that produced by
power lines.
The first step involves powering down your hone, one cir
I am wondering if anyone has used a DX-Engineering 80m vertical as the vertical
part and the support for a 160m inverted L, connecting the rest of the required
length to the top.
Of course there would have to be one or two guys to counteract the pull of the
horizontal part of the L.Seems li
You might want to try this on the r...@contesting.com reflector. In the
meantime, how high in frequency can you hear this. Can you see it on a
panoramic display?
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://rev
If you recently purchased any new electric heaters, check them. Some of the
new electronic thermostats can generate what you describe.
Clint - W5CPT -
On Tue, Nov 1, 2011 at 7:22 AM, Mike Greenway wrote:
> This year I am encountering a hash noise that repeats about every 66 to 70
> Khz. It is
This year I am encountering a hash noise that repeats about every 66 to 70 Khz.
It is maybe 20 or 25 khz wide with a peak at the center. Sound like the
background noise is just increasing as you tune across it. Has anyone
identified something like this? 73 Mike K4PI
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