[Lowfer] WG2XNI 186.008 Khz QRS3 Now

[Mark]

Gary, John:

Thanks for listening for XNI.  The antenna system is identical to what I 
used for my lowfer.  The difference is I'm running, I would estimate, about 
65-75 watts to the antenna.  The antenna system is pretty modest -  I live 
in a "covenant controlled" neighborhood so it can't be too obvious ! It is 
about 30' total vertical length,  with two top radials of about 6' length, 
and one long one of about 30' length.  It's about 6' from the back wall of 
the house.  The ground system is "opportunistic" but amounts to a dozen or 
so wires run to some copper ground rods, and a chicken wire screen.  With 
the 70W, I get about 1.2 A of antenna current....so you can see the ground 
system not the best.

I thought that I might be able to use the higher BW modes ( like CW and 
QRS3 ) with the additional power, but it looks so far to be making a not too 
significant difference.  I guess a good test might be to run the beacon in 
QRS30 and at the reception site keep increasing the Argo QRS speed ( thereby 
increasing the BW ) to see where the signal drops out.  Somewhere I saw a 
chart which showed the theoretical gain of QRS over regular CW....maybe 
QRS10 had a 15 db advantage over straight CW....so I would probably have to 
run 1 KW or more for Gary to HEAR me at his QTH!

I'll run tonight at QRS30 starting around 0430...and let it run overnight 
again.

73!

Mark ABØCW / WG2XNI / MBD




----- Original Message ----- 
From: "Garry Hess" <k3siw at sbcglobal.net>
To: "lowfer list" <lowfer at mailman.qth.net>
Sent: Saturday, November 09, 2013 5:58 AM
Subject: Re: [Lowfer] WG2XNI 186.008 Khz QRS3 Now


> Mark,
>
> QRSS3 definitely helped as I did find your signal last night. Not strong
> enough to determine individual characters though so used ARGO at QRSS10.
> Wonder what your setup is - transmit power and antenna? Last winter
> copied your lowfer fine, but that was at QRSS30 bandwidth. Signals
> overnight from the west were pretty good (check out the 474.2 kHz WSPR
> excitement!). Decoded some text on 518 kHz Navtex from Tofino, BC, area
> 12, station H as early as 0110Z. Also heard the DGPS on 315 kHz in
> Amphitrite Pt, BC and on 302 kHz decoded both Point Loma, CA and Whidbey
> Island, WA. However, conditions deteriorated quickly after midnight.
> -- 
> 73, Garry, K3SIW, EN52ta, Elgin, IL
>


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