Stefan is abt. 20db over noise on 5170 in JN88hl.

Screenshots will follow.

73

OE3GHB



Am Samstag, den 23.10.2010, 14:38 +0100 schrieb Scholz, Marco :
> DK7FC transmitting now 5170Hz….
> 
>  
> 
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Scholz, Marco
> [ICG-IT]
> Sent: 23 October 2010 14:39
> To: '[email protected]'; '[email protected]';
> '[email protected]'; '[email protected]'; '[email protected]';
> '[email protected]'; '[email protected]';
> '[email protected]'
> Subject: AW: LF: AW: RE: RE: DK7FC's 8th VLF kite experiment
> 
> 
>  
> 
> Short update from Stefan, DK7FC - the session is not over, but he had
> some troubles with increased wind and the longer antenna wire. He
> still fighting with the kite....
> 
> Regards
> Marco
> 
> 
>  
> 
>                                    
> ______________________________________________________________________
> Von: [email protected]
> <[email protected]> 
> An: '[email protected]' <[email protected]>;
> '[email protected]' <[email protected]>;
> '[email protected]' <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]> 
> Gesendet: Sat Oct 23 12:41:28 2010
> Betreff: LF: AW: RE: RE: DK7FC's 8th VLF kite experiment 
> 
> 
> Stefan decided to send only one character. After that he increase the
> antenna to 300m and qsy to around 5.17KHz.
> I announce exact qrg later.
> DD7PC
> 
> 
>  
> 
>                                    
> ______________________________________________________________________
> Von: Scholz, Marco [ICG-IT] 
> An: '[email protected]' <[email protected]>;
> '[email protected]' <[email protected]>;
> '[email protected]' <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]>; '[email protected]'
> <[email protected]> 
> Gesendet: Sat Oct 23 11:52:08 2010
> Betreff: RE: RE: DK7FC's 8th VLF kite experiment 
> 
> 
> Hello,
> 
> Another short update.
> 
> DK7FC, Stefan started to TX on 6.47KHz (you can check on
> http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html)
> 
> Jacek your report and rx setup is really good. My QTH is only abt.
> 60Km from Stefan away and I receive him not better then you.
> 
>  
> 
> Stefan will tx now a carrier for 30-40min and after this he send again
> a 2 character message in DFCW600.
> 
>  
> 
> Then he will QSY to +/- 5170Hz. Stefan is not 100% sure about the
> frequency. 
> 
>  
> 
> Regards
> 
> Marco
> 
>  
> 
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Scholz, Marco
> [ICG-IT]
> Sent: 23 October 2010 12:21
> To: '[email protected]'; '[email protected]';
> '[email protected]'; '[email protected]'; '[email protected]';
> '[email protected]'; '[email protected]';
> '[email protected]'
> Subject: LF: AW: RE: DK7FC's 8th VLF kite experiment
> 
> 
>  
> 
> FYI! 
> Stefan, DK7FC stopped now the transmission on 8970Hz and QSY to
> 6470Hz.
> 
> vy73
> Marco, DD7PC
> 
> 
>  
> 
>                                    
> ______________________________________________________________________
> Von: Scholz, Marco [ICG-IT] 
> An: '[email protected]' <[email protected]>;
> 'Paul' <[email protected]>; 'Renato Romero' <[email protected]>;
> 'Barzen, Guido' <[email protected]>; 'Bernd Grupe'
> <[email protected]>; 'Christian Axtmann'
> <[email protected]>; 'Bernd Strehhuber'
> <[email protected]>; 'George Vastianos'
> <[email protected]> 
> Gesendet: Sat Oct 23 10:02:10 2010
> Betreff: RE: DK7FC's 8th VLF kite experiment 
> 
> 
> Hello LF,
> 
> Many thanks for reports from Victor, Henny, Jim and Jean-Pierre so
> far.
> 
> I had Stefan on the phone 5min. ago and passed to him this
> information.
> 
> Stefan told me the weather is perfect with very stabile wind
> conditions. He has around 900mA antenna current and 550W Pout.
> 
>  
> 
> Please note DK7FC will stop shortly the carrier (which was on for abt.
> 1h) and switch to DFCW600. He will transmit 2 characters and after
> this transmission he will change the QRG to 6470Hz.
> 
>  
> 
> vy73
> 
> Marco, DD7PC
> 
>  
> 
>  
> 
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Stefan
> Schäfer
> Sent: 21 October 2010 17:26
> To: [email protected]; Paul; Renato Romero; Barzen, Guido;
> Bernd Grupe; Christian Axtmann; Bernd Strehhuber; George Vastianos
> Subject: VLF: DK7FC's 8th VLF kite experiment
> 
> 
>  
> 
> Dear VLF,
> 
> This weekend i plan to do my next kite experiment. I have got the
> permission for a kite ascent up to 300m above GND on my QTH in
> JN49IS36VH.
> 
> I will be QRV either on saturday or on sunday, depending on the wx.
> Attached you see the current wind forecast. For saturday the wind is
> not optimal, a little weak but it will be dry. On sunday the wind is
> quite strong and stable but there is probably some rain... I will have
> to see on friday evening if i can start on saturday or sunday and will
> announce that here.
> 
> If i will start on sunday, where the SAQ transmission takes place,
> this will be no problem since one can listen to SAQ and receive my
> transmission on an other computer based RX (e.g. SpecLab), so both can
> be done to the same time :-).
> 
> The starting time should be as early as possible. I have the
> permission at 6...16 UTC!
> 
> The program is to...
> 
> - rise the 200m vertical and transmit a long carrier (30 min) on 8970
> Hz, after that a message in DFCW-600 and after that a message in
> DFCW-120, then a short CW test.
> - transmit on 6470 Hz in DFCW-600 hoping to be copied at further
> stations (maybe M0BMU, SQ5BPF, OE3GHB, PA3FWM...?)
> - if the wind will be optimal i will add another 100m and will try to
> transmit at 5170 Hz, 58 km band. This might be once again the lowest
> frequency an amateur has ever transmitted and reached the far field
> and above 1 Lambda, so each reception will be a WR for amateurs ;-)
> BTW, my grabber in Heidelberg is in < 1 Lambda ;-) The mode will be
> DFCW-600 as well.
> - Then, coming back to 8970 Hz (maybe in the late afternoon) and
> transmit a looong carrier for long time integrations, maybe for a new
> ODX.
> - reach 1,4 A at 8970 Hz, 1 A at 6470 and 5170 Hz
> - be detected at 3 new stations and a new ODX ;-)
> - use a GPS disciplined transmitter (trying SpecLab as the VFO and
> DFCW generator the first time)
> - measure the R, 'C' of this 300m vertical on 137 kHz, preparing a new
> test there ;-) Since it is 55 % of a full size lambda/4 GP, 5 pF/m is
> not valid i assume
> - be fascinated by the view of such an antenna which easily finds
> place in my car after the test ;-)
> 
> Until now i don't know who of the german LF group members would be
> possibly on the phone to make QSP to the reflector, just like Markus
> did it in the past. If there is a german member who likes to do that
> job, please send me a personal mail to exchange the phone numbers
> (Festnetz oder O2). Otherwise i have to play my game there alone and
> will see what happend in the evening ;-)
> 
> BTW, the generator is running again. It started to run again just as i
> have packed all my stuff in the car after the last experiment :-/
> Never mind...
> 
> Have i forgotten something? 
> 
> Please tell me if you think it is no good idea to transmit during the
> SAQ transmission or what is your favorite day, if both is possible
> here. I would prefer sunday, if the rain forecast changes to
> sunny :-) 
> 
> 73 and looking forward to the weekend :-)
> 
> Stefan/DK7FC
> 
>