[Lowfer] antenna location

[Douglas D. Williams]

Good points, everyone. Yes, I had the same experience Dick, and I had
actually forgotten about that. Grounding the chassis connecter of the
coax shield eliminated a lot of noise. This would be difficult up on
my roof. I think I'll not waste my time on the roof and will instead
find another good location in the yard.

D.

On Fri, Dec 10, 2010 at 7:15 PM, Dick Goodman <wa3usg at verizon.net> wrote:
> What I found with the AMRAD E-Field probe is that the chassis connector of
> the SO239 coming out the bottom MUST BE GROUNDED!!! It doesn't even have to
> be a good ground. A doggone 10 penny nail stuck in the gound seems as good
> as a 10 foot gound rod. If you don't ground it, it's noisy as hell and it
> plain doesn't work well at all.
>
> 73
> Dick, WA3USG
>
>
> -----Original Message-----
> From: lowfer-bounces at mailman.qth.net
> [mailto:lowfer-bounces at mailman.qth.net]On Behalf Of Douglas D. Williams
> Sent: Friday, December 10, 2010 6:40 PM
> To: Discussion of the Lowfer (US, European, &amp, UK) and MedFer bands
> Subject: [Lowfer] antenna location
>
>
> Years ago, when I first started using an active e-probe antenna for
> LF/VLF receiving, I placed it on a ten foot TV mast attached to a vent
> pipe on my roof. The results were underwhelming, as noise (QRM) from
> devices inside my house was quite strong. It wasn't long before I
> moved my antenna to a spot in my yard about 50 feet from my house,
> which produced much better results, and that has been my receive
> antenna location for the various antennas that I have used over the
> years. A couple months ago, we had a metal roof installed over the old
> asphalt shingles. It just struck me today that the new metal roof
> might provide an RF barrier for the QRM. I wouldn't mind having a
> second receive antenna in place. Do you guys think I should try
> putting one on my roof again, or should I just find another spot in my
> yard?
>
> 73,
> Doug KB4OER
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>