Hi Wolf,
 
and thanks also to you for the 
feedback!
So I'm happy if just by istinct I made the right 
"tuning" : I hate to read manuals and I have to say that you made a really fine 
work not only for the performance of software itself but also because it is user 
friendly and allows also people like me to use the main functions.
Back to the phantom 8270 Hz signal: still 
monitoring there but no new spots occasionally there are 10 minutes of higher 
noise but the slice around 8270Hz is looking pretty quiet.
 
Just because in the setting downoloaded from Markus 
there is a second window with lower resolution centered on 8970Hz, I'm feeding 
my LF vertical (still to be repaired ...sigh) with the SPM15 generator: the path 
loss from the LF vertical to the RX antenna is abt. 50dB (the top hat is abt 1m 
away...) and I can check both the frequency stabilty of SPM15 vs. SL and see if 
the RX is really receiving ;-)  
 
mfG
Marco, IK1HSS
  ----- Original Message ----- 
  
  
  Sent: Friday, January 03, 2014 7:20 
  PM
  Subject: Re: LF: Re: 8270Hz
  
  Am 03.01.2014 15:58, schrieb Marco 
  Cadeddu:
  
    
    
    Hello Uwe,
     
    just switched on since few minutes on this 
    side, and probably made something wrong...
    Ant miniwhip like 10m from the roof (abr 
    45mabove ground)
    RX SpecLab using configuration "8.97kHz 0,95 
    mHz 300s MSK locked" I moved to 8270 Hz changing the the "center frequency" 
    to 8270Hz being no able to QSY in other way (is that 
  correct??)
You can change the center frequency 
  through the main menu (Options..FFT settings.. there's a field labelled 
  'Center Frequency', enabled if the FFT type is set to 'complex, with internal 
  frequency shift' [and decimation].
Or just right-click into the 
  spectrogram, and select 'FFT settings' in its context menu.
The 'VFO' 
  field is indeed only effective for a radio with its own VFO (like SDR, 
  etc).
  
    The SR calbrator is moved to 19580Hz 
    GBZ.
GBZ seems to be a 
  very reliable source indeed; I haven't seen phase jumps for a couple of days.
Cheers,
  
  Wolf .