Message-ID: <4FDA6F0F.3080104@iup.uni-heidelberg.de>
Date: Fri, 15 Jun 2012 01:09:03 +0200
From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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To: rsgb_lf_group@blacksheep.org
References: <4FD66C8A.5050402@iup.uni-heidelberg.de> <003701cd4883$e6965560$8d01a8c0@JAYDELL> <4FD731C9.3050301@iup.uni-heidelberg.de>
In-Reply-To: <4FD731C9.3050301@iup.uni-heidelberg.de>
Subject: Re: LF: Re: Beacon to the west
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Jay, LF,

This night i will continue with LF transmissions, same procedure.
So far the conds in EU and to 4X are excellent!
Maybe we can make it this night to W1...

73, Stefan/DK7FC


Am 12.06.2012 14:10, schrieb Stefan Sch=E4fer:
> Hi Jay,
>
> We still have no success in Jnue so if we want to get a full call=20
> detection in each month we have to find a suitable days soon.
>
> Well, all right about the DST stuff. However you know i simply like=20
> transmitting so i usually do not care about the condx. From time to=20
> time there is a surprise een in "bad" conds. Like yesterday! 4X1RF=20
> temporary started his grabber in Haifa and to my surprise we got very=20
> good results over that 2850km distance. About 25 dB S/N, see=20
> https://dl.dropbox.com/u/19882028/LF/Juni2012.jpg
> Sure, crossing the pond is another story. Let's do it in the coming=20
> days :-)
>
> BTW what about your TX? Are you ready for a transmission?
>
> 73, Stefan/DK7FC
>
> Am 12.06.2012 12:12, schrieb jrusgrove@comcast.net:
>> Sefan
>>
>> Somehow missed your e mail so no report from here. With the DST at=20
>> 'disturbed' levels it is unlikely that I would have had reception of=20
>> your signals. It might be a good idea to check=20
>> http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html for=20
>> the DST levels before an overnight T/A attempt. Generally speaking,=20
>> condx are favorable when the DST has been at -10 nt or better for a=20
>> couple days. The second chart down shows that the 9th or 10th would=20
>> have been better T/A nights. The big dip starting on the 10th is a=20
>> problem.
>>
>> Jay W1VD  WD2XNS  WE2XGR/2
>>
>>
>>
>> ----- Original Message ----- From: "Stefan Sch=E4fer"=20
>> <Stefan.Schaefer@iup.uni-heidelberg.de>
>> To: <rsgb_lf_group@blacksheep.org>
>> Sent: Monday, June 11, 2012 6:09 PM
>> Subject: LF: Beacon to the west
>>
>>
>>> LF,
>>>
>>> Once again i'm transmitting DFCW-90 on 136.172 kHz over the night.=20
>>> The TX is already on air...
>>>
>>> In a few days the sunshine time is as long as possible here, so it=20
>>> may be a bit difficult to become visible in TA. But who knows...
>>>
>>> At least the summer time allows excellent results on LF for=20
>>> distances below 3000 km. Probably because the area in darkness is=20
>>> small on the northern hemisphere and so the noise from far away is=20
>>> attenuated. So the distances within the first hop range may be a bit=20
>>> lower than in winther but maybe the noise is even lower so S/N=20
>>> improvement of some dB results.
>>> At least i've never been audible in winther at YO/4X1RF. We've done=20
>>> many tests and the radiated signal was even 3 dB stronger than a few=20
>>> days ago where the signal became audible. Now i'm thinking different=20
>>> about the possibilities of that band in the summer time!!
>>>
>>>
>>> 73, Stefan/DK7FC
>>>
>>
>