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Re: LF: Re: WD2XNS in YV

To: <[email protected]>
Subject: Re: LF: Re: WD2XNS in YV
From: <[email protected]>
Date: Tue, 11 Dec 2012 09:47:12 -0500
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Stefan
 
If you are in contact with Martin maybe you could inform him that grabber has 'hung'. Think Bob judges 'success' by number of spots X number of different receiving station ... sort of like contest scoring ;~)
 
Jay W1VD  WD2XNS  WE2XGR/2 
 
 
----- Original Message -----
Sent: Tuesday, December 11, 2012 9:34 AM
Subject: Re: LF: Re: WD2XNS in YV

Hi Warren,

You may also forward the latest email to him, that one which shows Jay's results and the link to the grabber and so on.

Tnx, 73, Stefan

Am 11.12.2012 15:17, schrieb Warren Ziegler:
Stefan,
    I forwarded your message to Bob W2ZM (WE2XEB, WE2XGR/6) to see if wants to try QRSS on 137.
Bob has had trouble getting signed up with this rsgb list (maybe an ISP problem?) so I have been forwarding messages from and to him.

73 Warren K2ORS



On Tue, Dec 11, 2012 at 8:34 AM, Stefan Schäfer <[email protected]> wrote:
Jay, LF,

Am 10.12.2012 17:21, schrieb [email protected]:
[...] Care to share the details of the setup?

Jay W1VD  WD2XNS  WE2XGR/2

Martin has a 80m long wire in maybe 8m above ground. This wire is resonated to LF and transformed to the RX input impedance by using a ferrite rod. A separate LF earth is used. The RX is that one by JA8SCD, http://icas.to/lineup/idc-136-kit-eng.htm  (also used by TF3HZ and DU1GM and others). He also has a tuned loop antenna with about 8 square meters cross section area. I guess its mostly beaming to NE/SW. Furthermore he built a E-H-combiner to optimise the SNR even more. There was a 3 dB improvement in some of the tests.
I don't know exactly what he is using these days but i guess the system is not particularly optimised for best US reception. Maybe there could be a few dB more S/N...

What about WE2XEB? Is that not a motivating goal for him to leave traces in SA, using traditional QRSS or DFCW? He would surely make that distance, not to talk about EU receivers...

73, Stefan/DK7FC




--
73 Warren K2ORS
                WD2XGJ
                WD2XSH/23
                WE2XEB/2
                WE2XGR/1

 
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