Message-ID: <BLU153-W9447131171CFE8DAE43F3CF460@phx.gbl>
From: Laurence KL1 X <hellozerohellozero@hotmail.com>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Date: Tue, 4 Dec 2012 15:01:06 -0900
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In-Reply-To: <50BE8324.3030004@iup.uni-heidelberg.de>
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Subject: RE: LF: Transpolar Long carrier test 137.7800 WE2XPQ tonight
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Stefan - thanks Ive only had one instance of an Eu station SM6BHZ "making i=
t" to Alaska on 600m=2C if I recall<  and that was on WSPR so dooable at th=
e reasonable QRSS/DFCW speeds fer shur=2C thats on a rare day of course but=
 Ive improved the Rx s/n since then by a dB or so which all helps.   Intere=
sting that the LF engineering (MPF102/2N2222) L400B=2C having moved it arou=
nd some ten locations and heights and now up a Birch tree only 15ft above t=
he ground down by the frozen lake=2C is the clear dB or so winnner on s/n o=
ver the 2T K9AY and Large Tx loop at 137=2C but the K9AY wins on most beari=
ngs at 500. 9AY is just too small in capture at 137 here=2C and tx loop jus=
t too noisy. Opps looks like we just had another after shock from the 5.8 Y=
esterday... this 22 storey Anchorage building rock and rolls.
 Laurence KL 1 XDate: Wed=2C 5 Dec 2012 00:11:32 +0100
From: Stefan.Schaefer@iup.uni-heidelberg.de
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Transpolar Long carrier test 137.7800 WE2XPQ tonight




 =20


OK Laurence=2C=20



Well=2C on the EU TA path it looks quite good=2C Jay is getting good
results at that time. There was some snow here=2C about 5 cm=2C which melts
now. So its all wet and thus the losses a bit higher=2C maybe 1 dB max.



About MF. I'm getting first impressions what is possible on 630m in
distances > 5000 km. It looks not easy at all to make that distance
above a land path. E.g. UA0SNV got me in QRSS-10 on LF but MF looks to
be much harder. OK my LF signal is stronger than my MF signal though=2C
anyway the difference is higher.

Would you think there may be a chance to see traces in QRSS-10 or
DFCW-15 on 630m in AK?



73=2C Stefan



a continuous carrier test overnight on
137.7800 kHz from around 0100Z till around 1600Z Tonight (thats in a
few hours time).

=20

Conditions over the Polar regions are getting better but less than fair
at the moment but worth investigating. A no show is still a result :-)

=20

Transmitter will be the GPS/10MHz disciplined HP3336B via 4046 squarer
and 4426 driver to the Decca 5501 Amp at around 600W into a Fir tree
140m loop - ERP is likely to be less than 0.5W in the main lobe
040/220deg T

=20

The loop will be modified this coming week if the weather breaks but
its been blowing 40Kts gust and -25C so still nippy on the face and
fingers to do long term outside work. We are also in a "Red Flag"
warning area so have to be careful with sparks and flames..

=20

=20

=20

Laurence KL 1 X Wasilla Alaska

   =20
 =20
 =20
 =20
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<body class=3D'hmmessage'><div dir=3D'ltr'>
Stefan - thanks<BR>&nbsp=3B<BR>Ive only had&nbsp=3Bone&nbsp=3Binstance of a=
n Eu station SM6BHZ "making it" to&nbsp=3BAlaska on 600m=2C if I recall&lt=
=3B &nbsp=3Band that was on WSPR so dooable at the reasonable QRSS/DFCW spe=
eds fer shur=2C thats on a rare day&nbsp=3Bof course but Ive improved the R=
x s/n since then by a dB or so which all helps.&nbsp=3B<BR>&nbsp=3B<BR>&nbs=
p=3BInteresting that the LF engineering (MPF102/2N2222)&nbsp=3BL400B=2C hav=
ing moved it around some&nbsp=3Bten locations and heights and now up a Birc=
h tree only 15ft above the&nbsp=3Bground down by the&nbsp=3Bfrozen lake=2C =
is the clear dB or so winnner on s/n&nbsp=3Bover the 2T K9AY and Large Tx l=
oop at 137=2C but the K9AY wins on most bearings at 500. 9AY is just too sm=
all&nbsp=3Bin capture at 137 here=2C and tx loop just too noisy.<BR>&nbsp=
=3B<BR>Opps looks like we just had another after shock from the 5.8 Yesterd=
ay... this 22 storey Anchorage&nbsp=3Bbuilding rock and rolls.<br>&nbsp=3B<=
BR><div><div id=3D"SkyDrivePlaceholder">Laurence KL 1 X</div><hr id=3D"stop=
Spelling">Date: Wed=2C 5 Dec 2012 00:11:32 +0100<br>From: Stefan.Schaefer@i=
up.uni-heidelberg.de<br>To: rsgb_lf_group@blacksheep.org<br>Subject: Re: LF=
: Transpolar Long carrier test 137.7800 WE2XPQ tonight<br><br>


 =20


OK Laurence=2C <br>
<br>
Well=2C on the EU TA path it looks quite good=2C Jay is getting good
results at that time. There was some snow here=2C about 5 cm=2C which melts
now. So its all wet and thus the losses a bit higher=2C maybe 1 dB max.<br>
<br>
About MF. I'm getting first impressions what is possible on 630m in
distances &gt=3B 5000 km. It looks not easy at all to make that distance
above a land path. E.g. UA0SNV got me in QRSS-10 on LF but MF looks to
be much harder. OK my LF signal is stronger than my MF signal though=2C
anyway the difference is higher.<br>
Would you think there may be a chance to see traces in QRSS-10 or
DFCW-15 on 630m in AK?<br>
<br>
73=2C Stefan<br>
<br>
<blockquote cite=3D"mid:BLU153-W31531259BA0A8A42B17946CF470@phx.gbl"><div d=
ir=3D"ltr"><div><blockquote cite=3D"mid:BLU153-W576A5A1F30B3C7AF8219BCCF470=
@phx.gbl"><div dir=3D"ltr">a continuous carrier test overnight on
137.7800 kHz from around 0100Z till around 1600Z Tonight (thats in a
few hours time).<br>
&nbsp=3B<br>
Conditions over the Polar regions are getting better but less than fair
at the moment but worth investigating. A no show is still a result :-)<br>
&nbsp=3B<br>
Transmitter will be the GPS/10MHz disciplined&nbsp=3BHP3336B via 4046 squar=
er
and 4426 driver to the Decca 5501 Amp at around 600W into a Fir tree
140m&nbsp=3Bloop - ERP is likely to be&nbsp=3Bless than 0.5W in the main lo=
be
040/220deg T<br>
&nbsp=3B<br>
The loop will be modified this coming week if the weather breaks but
its been blowing 40Kts gust and -25C so still nippy on the face and
fingers to do long term outside work. We are also in a&nbsp=3B"Red Flag"
warning area so have to be careful with sparks and flames..<br>
&nbsp=3B<br>
&nbsp=3B<br>
&nbsp=3B<br>
Laurence KL 1 X Wasilla Alaska<br>
    </div>
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