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Date: Sun, 13 Feb 2011 09:41:22 -0500
Message-ID: <AANLkTin7PuZ=MUJz+U89W=y4zwioXC+rxfC6PnsBcqh+@mail.gmail.com>
From: Warren Ziegler <wd2xgj@gmail.com>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: Re: CQ WW
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Jim,

    Thank you, it's very impressive to see the dynamic range that you
can achieve.
--=20
73 Warren K2ORS
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XGJ
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XSH/23
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XEB/2
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XGR/1




On Sat, Feb 12, 2011 at 9:46 PM, James Moritz
<james.moritz@btopenworld.com> wrote:
> Dear Warren, Mal, LF Group,
>
> I took the opportunity of your sked to try simultaneous reception of the=
 Eu
> / NA QRSS windows - really, I was hoping G3XDV would be transmitting as
> well, since he is only about 11km from me and would be a good challenge=
 for
> the receiver. I think it is possible by carefully adjusting the various
> gains to reduce the "splatter" caused by such a local signal to allow th=
e
> copy of relatively DX signals within a few hertz. This didn't happen, bu=
t I
> was able to simultaneously receive WD2XGJ, G3KEV, PA0A, RA3AGC and DF6NM=
.
> The attachment shows signals from about 2245 - 0112utc; it is screen sho=
ts
> from two instances of SpecLab edited together, and the scroll rate was
> increased at about 0000, which is why the time markers don't match up
> perfectly.
>
> Concerning QSOs in QRSS with very long dot periods, I think this shows=
 how
> it is most important to agree the format and the protocol for the QSO be=
fore
> starting. I think the generally accepted format goes something like:
>
> XGJ KEV K (for a sked, or CQ KEV K for a random QSO, repeat as necessary=
)
> ...then...
> KEV XGJ O K
> XGJ KEV R O K
> KEV XGJ R TU SK ...(end of QSO)
>
> It is probably best to decide from experience who is likely to be the we=
aker
> received signal, and for that station to make the initial calls, since=
 then
> subsequent overs are most likely to succeed. If one station fails to
> completely receive an over, they should repeat their previous over so th=
at
> the other station can repeat also. Some will insist that complete callsi=
gns
> should be used for the initial overs, but I think most agree on the
> abbreviated calls, especially for a sked. Some people omit the "K" at th=
e
> end of an over, or substitute an "E", but I think this is a bad idea bec=
ause
> under marginal conditions it is harder to tell when the other station ha=
s
> stopped transmitting.
>
> Hope this is helpful - better luck next time!
>
> Cheers, Jim Moritz
> 73 de M0BMU