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From: Laurence KL7UK <hellozerohellozero@hotmail.com>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Date: Tue, 11 Sep 2012 16:18:29 -0800
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Subject: LF: HGA 22 v DCF39
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Stefan - On average at BY3A (110 miles East of Bejing near Tinjin) and 9V1L=
F Singapore HGA22 was 7-10dB stronger than DCF39. WHich to my mind is a lit=
tle more than could be expected by just a 480 Kms few hundred Kms path leng=
th difference. I was using the SDR IQ so pretty confident about the dbs... =
The path to Singapore from Eu was pretty good on a day to day basis and muc=
h less affected by=2C as you say=2C the more Northern Oval approaching rout=
e to NE China. It doesnt need much of a Northerly track to hit a lot of pat=
h attenuation very quickly when the Oval decends to more temperate latitude=
s. Its worse sometimes for the Transpolar to here where Gt Circle/Rhum path=
s that have to cross and track along/under/over the Oval twice - once your =
side and again once it gets over here...and I have a couple of local mounta=
in ranges which upset things slightly.. Cheers Laurence (seems to be my day=
 for emails) KL1X
 Date: Wed=2C 12 Sep 2012 01:21:25 +0200
From: Stefan.Schaefer@iup.uni-heidelberg.de
To: rsgb_lf_group@blacksheep.org
CC: ja8scd@kt.rim.or.jp
Subject: Re: LF: UA0SNV




 =20




Am 12.09.2012 00:50=2C schrieb Graham:

 =20
 =20
  Interesting
  =20
  JA =2C only  a  few  more  CM  on the  map  :- )

 =20
 =20




Another important factor (!): The path to Japan goes much higher and
closer to the auroral oval than the path to UA0. So the dependency on
solar activity is much higher. In tests with JA8SCD who runs his
grabber showing a daily DCF plot=2C this was daily confirmed. The SNR of
HGA22 was much loss affected by solar activity that the DCF39 SNR.



http://icas.to/argo/eu.htm



BTW the path to Japan starts to open. Worth to try=2C but not in OP32 for
now...



73=2C Stefan/DK7FC
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
Stefan - On average at BY3A (110 miles East of Bejing near Tinjin) and 9V1L=
F Singapore HGA22 was 7-10dB stronger than DCF39. WHich to my mind is a lit=
tle more than could be expected by just a 480 Kms&nbsp=3Bfew hundred Kms pa=
th length&nbsp=3Bdifference. I was using the SDR IQ so pretty confident abo=
ut the dbs...<BR>&nbsp=3B<BR>The path to Singapore from Eu was pretty&nbsp=
=3Bgood on a day to day basis and much less affected&nbsp=3Bby=2C as you sa=
y=2C the more Northern Oval approaching route to NE China.<BR>&nbsp=3B<BR>I=
t doesnt need much of a Northerly track to hit a lot of&nbsp=3Bpath attenua=
tion very quickly&nbsp=3Bwhen the Oval&nbsp=3Bdecends to&nbsp=3Bmore temper=
ate latitudes. Its worse sometimes&nbsp=3Bfor the Transpolar to here where =
Gt Circle/Rhum paths that have to cross and track&nbsp=3Balong/under/over t=
he Oval twice - once your side and again once it gets over here...and I hav=
e a couple of local mountain ranges which upset things slightly..<BR>&nbsp=
=3B<BR>Cheers Laurence (seems to be my day for emails) KL1X<br>&nbsp=3B<BR>=
<div><div id=3D"SkyDrivePlaceholder"></div><hr id=3D"stopSpelling">Date: We=
d=2C 12 Sep 2012 01:21:25 +0200<br>From: Stefan.Schaefer@iup.uni-heidelberg=
.de<br>To: rsgb_lf_group@blacksheep.org<br>CC: ja8scd@kt.rim.or.jp<br>Subje=
ct: Re: LF: UA0SNV<br><br>


 =20


<br>
Am 12.09.2012 00:50=2C schrieb Graham:
<blockquote cite=3D"mid:B5966E316E2A47FDAE2777A3A706D26E@AGB">
 =20
 =20
  <div>Interesting</div>
  <div>&nbsp=3B</div>
  <div>JA =2C only&nbsp=3B a&nbsp=3B few&nbsp=3B more&nbsp=3B CM&nbsp=3B on=
 the&nbsp=3B map&nbsp=3B :- )<br>
  </div>
  <br>
</blockquote>
<br>
Another important factor (!): The path to Japan goes much higher and
closer to the auroral oval than the path to UA0. So the dependency on
solar activity is much higher. In tests with JA8SCD who runs his
grabber showing a daily DCF plot=2C this was daily confirmed. The SNR of
HGA22 was much loss affected by solar activity that the DCF39 SNR.<br>
<br>
<a class=3D"ecxmoz-txt-link-freetext" href=3D"http://icas.to/argo/eu.htm" t=
arget=3D"_blank">http://icas.to/argo/eu.htm</a><br>
<br>
BTW the path to Japan starts to open. Worth to try=2C but not in OP32 for
now...<br>
<br>
73=2C Stefan/DK7FC<br></div> 		 	   		  </div></body>
</html>=

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