[Lowfer] Successful Antennas 137 Khz With Near-Field Issues

[David Stinson]

Thank you!  Excellent information.

-----Original Message-----
From: lowfer-bounces at mailman.qth.net
[mailto:lowfer-bounces at mailman.qth.net] On Behalf
Of John Andrews
Sent: Sunday, February 25, 2018 10:20 AM
To: lowfer at mailman.qth.net
Subject: Re: [Lowfer] Successful Antennas 137 Khz
With Near-Field Issues

David,

During the time that I was active with my WD2XES
license, I used a loop antenna for transmitting. I
have a fairly narrow back yard, with a ton of oak
trees behind it. With overhanging branches and the
proximity of the house, I felt that the
environmental losses with a "Marconi" type of
antenna would be high.

A description of the antenna may be seen at:
http://www.w1tag.com/XESANT

In 2008, we had a major ice storm that caused some
loss of height, but no big change in performance
was noted. Best DX over the years that I ran it
was Russia. European reports were common when
running QRSS30 or slower, or the text-based WOLF
mode.

The antenna is still there, and I have used it on
630m with decent results. Operation on 2200m is no
longer possible, due to proximity to PLC-carrying
power lines that were present for the 13 years
that I ran WD2XES at 1 watt ERP.

John, W1TAG

On 2/25/2018 10:59 AM, David Stinson wrote:
 > Is there a list somewhere of the antennas used
by  > those successful in QSOs on 137 KC, and how
they  > have dealt with near-field problems like
> tree-covered lots?  I've heard people say a  >
transmitting loop worked well and others say it  >
was useless.  Is there a consensus on antennas  >
with near-field obstructions?
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