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Date: Mon, 09 Dec 2013 18:43:48 +0100
From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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Subject: Re: LF: OPDS32, first Europe to South America
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Alan,

Thanks for the comments, always apprechiated.

73, Stefan

Am 09.12.2013 13:58, schrieb Alan Melia:
> Hi Stefan
>> which again confirms that this path is less (not?) affected by solar=20
>> activity. Same as on the path to VK..
>
> I wouldnt quite say that :-))  the Dst was rising rapidly and was=20
> nearer -30nT over that period. The YV route my be a little as 3 hops=20
> with a couple of "salt water bounces", as Markus says you nearly made=20
> in the previous night at a Dst of probably around or slightly above=20
> -60nT. By comparison the VK route is probably at least 5 hops so you=20
> are looking at 25dB more.....certainly need a little wind behind you=20
> :-)) but there may be more opportunities than just at the equinox,=20
> though the darkness period is most advantageous then.
>
> Unfortunately Dst doesnt predict a good result, rather the better=20
> probability a result. There are a confusingly wide range of results=20
> even on a high Dst night.
>
> Well done on these tests! It certainly is good to see marginal=20
> conditions probed, and a few "urban myths" tested :-))  The deep=20
> search has certainly enabled us to peep under the normal noise barrier=20
> and see what is actually possible in these paths. If you dont see=20
> anything you dont know whether the signal it is a couple of dB below=20
> detection or -100dB in other modes.
>
> Alan
> G3NYK
>
>
> ----- Original Message ----- From: "Stefan Sch=E4fer"=20
> <Stefan.Schaefer@iup.uni-heidelberg.de>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Monday, December 09, 2013 10:26 AM
> Subject: Re: LF: OPDS32, first Europe to South America
>
>
> Martin, LF,
>
> Most amazing. There were even 7 decodes last night!!!
>
> YV7MAE FK81BD Opera-32 correlation=20
> http://df6nm.bplaced.net/opera/opds.zip
>
>    date      time   call   distance  frequency bandwidth  snr correlati=
on
>
> 2013-12-09 05:58:12 DK7FC   7812km 137572.816Hz   4mHz -45.0dBOp 100%=20
> 18.8dB
> 2013-12-09 05:23:10 DK7FC   7812km 137572.811Hz   3mHz -41.6dBOp 100%=20
> 21.2dB
> 2013-12-09 04:48:09 DK7FC   7812km 137572.810Hz   3mHz -45.5dBOp 100%=20
> 18.7dB
> 2013-12-09 04:13:09 DK7FC   7812km 137572.808Hz   2mHz -49.2dBOp  87%=20
> 17.5dB
> 2013-12-09 03:03:07 DK7FC   7812km 137572.807Hz   3mHz -49.0dBOp 100%=20
> 17.7dB
> 2013-12-09 01:53:05 DK7FC   7812km 137572.805Hz   9mHz -48.3dBOp 100%=20
> 15.6dB
> 2013-12-09 00:22:45 DK7FC   7812km 137572.800Hz   8mHz -45.7dBOp 100%=20
> 17.0dB
>
> This is the first night and all night before produced not even a=20
> single decode.
> DST levels were arround -40 nT=20
> (http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html)=20
> which again confirms that this path is less (not?) affected by solar=20
> activity. Same as on the path to VK..
>
> Thanks for the receive site in Venezuela!
>
> 73, Stefan/DK7FC
>
>
> Am 09.12.2013 03:28, schrieb Maritn A. Echazarreta D.:
>> Yesss Stefan!!!!
>> Congrats again!!!
>> 2013-12-09 01:53:05 DK7FC   7812km 137572.805Hz   9mHz -48.3dBOp 100%=20
>> 15.6dB
>> 2013-12-09 00:22:45 DK7FC   7812km 137572.800Hz   8mHz -45.7dBOp 100%=20
>> 17.0dB
>> YV7MAE
>> Martin.
>>
>> 2013/12/8 Stefan Sch=E4fer<Stefan.Schaefer@iup.uni-heidelberg.de>:
>>
>>> LF!
>>>
>>> Just a few minutes ago i saw the first decode of DK7FC on Martin's=20
>>> YV7MAE LF
>>> OPDS monitor in FK81BD:
>>> http://dl.dropboxusercontent.com/u/74746618/LF/YV7MAE_LF_Grabber_OPDS=
.html=20
>>>
>>>
>>> 2013-12-09 00:22:45 DK7FC 7812km 137572.800Hz 8mHz -45.7dBOp 100%=20
>>> 17.0dB
>>>
>>> I've manually updated the page each few minutes and hoped for a=20
>>> decode and
>>> now here it is :-)
>>>
>>> Hope i can do it a few times more this night :-)
>>>
>>> This is the path:
>>> https://dl.dropboxusercontent.com/u/19882028/LF/DK7FC_YV7MAE.png
>>>
>>> 73, Stefan/DK7FC
>>>
>>
>
>
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