Re: [IRCA] Beverage versus DKAZ (was: TP for 20 October from Masset)

[Walter Salmaniw <canswl@xxxxxxxxx>]

I think I have my angles wrong after reading Chuck's posting.  Change the
vertical to horizontal, should correct the post.  Sorry!  Walt

On Wednesday, 21 October 2015, Walter Salmaniw <canswl@xxxxxxxxx> wrote:

> Thanks, Gary for pasting Mark's comments.  I agree that the answer has to
> be with the angle of arrival.  The vertical component must quickly die off
> up here at dawn.  This, however did not seem to be the case in Grayland. As
> I recall, John Bryant experimented with the 2 array delta Wellbrooks and
> was very pleased with the results, including at dawn and post LSR, while I
> have never had good results with them after my local SR.  The BOG, of
> course, rocks during this time period.  73, Walt
>
> On Wednesday, 21 October 2015, <d1028gary@xxxxxxxxxxx
> <javascript:_e(%7B%7D,'cvml','d1028gary@xxxxxxxxxxx');>> wrote:
>
>>
>> Walt,
>>
>> The body of mark's message is pasted below. I used to have the same
>> problem posting with AOL during DXpeditions, until Theo D. told me to try
>> something else :-)
>>
>> 73, Gary
>>
>> Pasted:
>>
>> Could the anomalous results be from the fact that sometimes at the
>> sunrise or
>> sunset transition you actually have higher angle pick-up for long haul
>> because
>> of a tilted ionospheric layer above the receiving site (enabling chordal /
>> ducted mode propagation reducing the number of ground
>> reflections)?
>>
>>
>> http://www.radtelnetwork.com.au/propagation/HFpropagation_files/img013.gif
>>
>>
>> An
>> antenna that is efficient for high angles may briefly outperform otherwise
>> superior long haul DX (i.e. low angle pick-up) antennas.
>>
>>
>> There used to be a
>> station near Madrid, Spain on 1359 kHz that ran big power into a Near
>> Vertical
>> Incidence Skywave antenna (horizontal dipole?) to push out high angle
>> skip to
>> penetrate isolated valley areas between mountains.  Here in Massachusetts
>> during
>> mid-evening the station was no stronger than other high band Spain
>> stations in
>> the 5 to 10 kW class.  But as dawn reached Madrid, the signal came up and
>> got
>> crazy-loud, often the strongest station from across the "pond" at the
>> time.
>>
>>
>> 160-m hams have reported that they have brief periods when a low
>> dipole or horizontal loop below quarter-wave height ("cloud burner")
>> contacts DX
>> that their big verticals or high-altitude beams or dipoles miss.  95% of
>> the
>> time it's the other way around of course.
>>
>>
>> Mark Connelly, WA1ION
>> South
>> Yarmouth, MA
>> ----- Original Message -----
>>
>> From: "Walter Salmaniw" <canswl@xxxxxxxxx>
>> To: "Mailing list for the International Radio Club of America" <
>> irca@xxxxxxxxxxxxxxxx>
>> Cc: "Mark Connelly" <markwa1ion@xxxxxxx>
>> Sent: Wednesday, October 21, 2015 10:23:16 AM
>> Subject: Re: [IRCA] Beverage versus DKAZ (was: TP for 20 October from
>> Masset)
>>
>> Mark, I'll have to wait a few days since the body of your email doesn't
>> show on my iPhone. Walt
>>
>> On Wednesday, 21 October 2015, Mark Connelly via IRCA <
>> irca@xxxxxxxxxxxxxxxx>
>> wrote:
>>
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