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From: Laurence KL7UK <hellozerohellozero@hotmail.com>
To: <rsgb_lf_group@blacksheep.org>
Date: Sun, 6 Feb 2011 06:58:44 -0900
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Subject: LF: Over the pole
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http://kl7uk.com/DK7FCKL7UK6thFEB11.jpg
=20
Morning/Afternoon - well done Stefan!
=20
=20
Nothing (from first visuals) from Alaska but conditions were not all that=
 great and were a few dBs down on the previous days -
=20
Attached is the relative signal level plot for DHO38 and NPM over the peri=
od.  I know its not 9kHz but interesting for general comparision.
=20
Pre dawn Germany DHO38 has a marvellous (very short sweet spot!)  repeatab=
le enhancement and interestingly shallow if nothing dusk change, just gent=
le rise in signal strength.=20
=20
Signal profiles on the near reciprocal bearing to NPM in Hawaii which show=
s steep dawn and more gentle and "mushy" dusk tilts. RSDN2 on the otherhan=
d averages pretty flat, probably given the multiple transmitter locations.
=20
The Aurora on the 4th really didnt change a lot of signal strengths save=
 the background "hiss" was up about 5dB...I would have expected a little=
 more loss and phase changes during this period, so guess it wasnt intense=
 but did produce some pulsating aurora. Proton levels have diminished quit=
e quickly but I see its still relatively hot for Stefans signal as it pass=
es across/under the 2 Auroral ovals crossings.=20
=20
There are little or no MF/HF signals coming directly over the pole at this=
 time - its sometimes takes weeks after even a mild Auroral event to get=
 "good" again on MF up there.
=20
Ive a couple of Gbs .wav files so perhaps we will see what there really is=
 with more filtering.
=20
73
Laurence KL7UK/5 Bleary eyed...
                      =3D

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<A href=3D"http://kl7uk.com/DK7FCKL7UK6thFEB11.jpg">http://kl7uk.com/DK7FC=
KL7UK6thFEB11.jpg</A><BR>
&nbsp;<BR>
Morning/Afternoon - well done Stefan!<BR>
&nbsp;<BR>
&nbsp;<BR>
Nothing (from first visuals)&nbsp;from Alaska but conditions were not all=
 that great and were a few dBs down on the previous days -<BR>
&nbsp;<BR>
Attached is the relative signal level plot for DHO38 and NPM over the peri=
od.&nbsp; I know its not 9kHz but interesting for general comparision.<BR>
&nbsp;<BR>
Pre dawn Germany DHO38&nbsp;has a marvellous (very short sweet spot!) &nbs=
p;repeatable enhancement and interestingly&nbsp;shallow if nothing dusk ch=
ange, just gentle rise in signal strength. <BR>
&nbsp;<BR>
Signal&nbsp;profiles on the near&nbsp;reciprocal bearing to&nbsp;NPM in Ha=
waii which shows steep dawn and more gentle and "mushy" dusk tilts. RSDN2=
 on the otherhand averages pretty flat, probably given the multiple transm=
itter locations.<BR>
&nbsp;<BR>
The Aurora on the 4th really didnt change a lot of signal strengths save=
 the background "hiss" was up about 5dB...I would have expected a little=
 more loss and phase changes during this period, so guess it wasnt intense=
 but did produce some pulsating aurora. Proton levels have diminished quit=
e quickly but I see its still relatively hot for Stefans signal as it pass=
es across/under the 2 Auroral ovals crossings. <BR>
&nbsp;<BR>
There are little or no MF/HF signals coming directly over the pole at this=
 time - its sometimes takes weeks after even a mild Auroral event to get=
 "good" again on MF up there.<BR>
&nbsp;<BR>
Ive a couple of Gbs .wav files&nbsp;so perhaps we will&nbsp;see what there=
 really is with more filtering.<BR>
&nbsp;<BR>
73<BR>
Laurence KL7UK/5 Bleary eyed...<BR>
&nbsp;<BR>                     </body>
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