One issue is probably the orientation of the Belize beach vs path to
VK/ZL. A vertical on the beach within .7 wavelengths of the tide line
has pronounced gain seaward. That gain is at the expense of the land
side pattern. For an antenna on a pier the pattern doesn't get
symmetrical until a wavelength or so from the beach. The seaward
pattern has extremely low peak gain angle, great for DX, and the land
side about the same peak elevation as over "average ground." So
"entirely over the Pacific Ocean" is the wrong way from what I saw when
visiting there. Finding some salt water a dozen wavelengths long
towards the west might make a huge difference to VK/ZL.
See my article in QST June, 2016.
Grant KZ1W
On 2/6/2018 20:45 PM, Greg - ZL3IX wrote:
Having noted that my answer to Iain's post has not appeared on the
Reflector, I am trying again.
-------- Forwarded Message --------
Subject: Re: Topband: Belize-VK/ZL possibilities
Date: Sun, 4 Feb 2018 10:58:31 +1300
From: Greg - ZL3IX <zl3ix@inet.net.nz>
To: topband@contesting.com
Hi Iain,
I worked V31YN in Jan 2007. Is that QSO one of the two in Clublog?
No, I don't think it is a tricky path at all, being almost entirely over
the Pacific Ocean. Your problem will not be Tx, with an antenna over sea
water, but, unless you make a special effort with Rx, you may have a
problem hearing in a noisy tropical country like V3.
73, Greg, ZL3IX
On 2018-02-03 09:43 a.m., iain haywood wrote:
Hi,
I'm off to Belize again for the commonwealth contest in March but
after the event I plan to make use of the pier over seawater for top
band and some 60M.
An inverted-L over seawater is planned.
On checking clublog it says there have been only TWO QSO's ever
between VK/ZL and V31 on 160M.
Is this a tricky path ? I assume its because of high thunderstorm
noise in the tropics.
What do think of my chances with 100W and CW & some FT8 (shock--horror!)
Iain G4SGX
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