Re: [wsjt-devel] no decode

2018-08-07 Thread harold deitz via wsjt-devel 
Chris,
I have been using "Dimension 4" for time sync.  Recently upgraded my OS to 
Windows 10.  Found out that Dimension 4 won't work with Windows 10.  How do I 
get Meinberg?
Hal W5GHZ


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On ‎Tuesday‎, ‎August‎ ‎7‎, ‎2018‎ ‎01‎:‎53‎:‎46‎ ‎PM‎ ‎GMT, Chris Getman 
 wrote:  
 
 #yiv3188603676 #yiv3188603676 -- _filtered #yiv3188603676 
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I had a very similar problem.

  

The time looked OK, but when I did a manual Time Sync everything started working

  

Michael had me switch time sync programs to Meinberg and I haven’t had an issue 
since.

  

It’s worth a try and might fix your issue also.

  

Chris  -  N3PLM

  

From: Black Michael via wsjt-devel [mailto:wsjt-devel@lists.sourceforge.net] 
Sent: Tuesday, August 7, 2018 9:38 AM
To: wsjt-devel@lists.sourceforge.net
Cc: Black Michael 
Subject: Re: [wsjt-devel] no decode

  

Hmmm hamspots.net doesn't show any transmissions from you for the last 16 hours 
so you may not be transmitting as you think.

  

You say your time is good but what does http://time.is tell you?

  

de Mike W9MDB

  

  

  

  

On Tuesday, August 7, 2018, 8:21:08 AM CDT, seaka...@juno.com 
 wrote: 

  

  

I've been using this software flawlessly for a while.  I'm using it on a Mac 
machine with Signalink and ICOM 735.  This morning when I turned on the 
computer and ran the program it was not decoding.  The waterfall shows lots of 
very strong signals.  Time is exact between software and computer.  When I look 
at the mac sound settings all is normal.  The software DOES transmit.  Just no 
decoding of signals.   I was using it yesterday before I shut the computer down 
perfectly.  No indication of trouble.  I also deleted the program and re 
installed a new download.  All perimeters stayed the same upon re install.  
Again it does transmit.  Just no decode..

Any ideas???

 

Mike M

AC1DV

 

  
 

 

"All good things are wild and free."

~ Henry David Thoreau   




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Re: [wsjt-devel] A strange signal seen on the air

2018-07-31 Thread harold deitz via wsjt-devel 
Bill,
The distortion and harmonics are in the audio section, which when over driven 
are no longer linear.  The harmonics that you are seeing are audio,, not RF.  
The RF signal is still linear.
Hal W5GHZ


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On ‎Tuesday‎, ‎July‎ ‎31‎, ‎2018‎ ‎10‎:‎38‎:‎09‎ ‎PM‎ ‎GMT, Bill Somerville 
 wrote:  
 
  On 31/07/2018 16:18, Black Michael via wsjt-devel wrote:
  
 Sometimes you see the 2nd and sometimes the 3rd (and once I've seen the 4th).  
Depends on how well the rig suppresses the 2nd harmonic.
   
   
 
Hi Mike,
 
I don't understand how you come to the conclusion that the rig could suppress a 
2nd harmonic and not not suppress a 3rd harmonic of audio passed to it by at 
least the same amount. I can't think of any way that could happen with an SSB 
transmitter unless the fundamental is below ~200Hz.
 
OTOH odd-integer harmonics are often the result of clipped signal distortion.

  

73
 Bill
 G4WJS.
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Re: [wsjt-devel] A strange signal seen on the air

2018-07-31 Thread harold deitz via wsjt-devel 
Heavy clipping causes (almost a square wave) which produces odd harmonics.  
Very light clipping (not so square) may also include some even harmonics.  If 
you look at the signal with an O-scope, it is easy to see.
Hal W5GHZ


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On ‎Tuesday‎, ‎July‎ ‎31‎, ‎2018‎ ‎10‎:‎38‎:‎09‎ ‎PM‎ ‎GMT, Bill Somerville 
 wrote:  
 
  On 31/07/2018 16:18, Black Michael via wsjt-devel wrote:
  
 Sometimes you see the 2nd and sometimes the 3rd (and once I've seen the 4th).  
Depends on how well the rig suppresses the 2nd harmonic.
   
   
 
Hi Mike,
 
I don't understand how you come to the conclusion that the rig could suppress a 
2nd harmonic and not not suppress a 3rd harmonic of audio passed to it by at 
least the same amount. I can't think of any way that could happen with an SSB 
transmitter unless the fundamental is below ~200Hz.
 
OTOH odd-integer harmonics are often the result of clipped signal distortion.

  

73
 Bill
 G4WJS.
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Re: [wsjt-devel] A strange signal seen on the air

2018-07-31 Thread harold deitz via wsjt-devel 
I have been thinking about this for some time.  Went through the setup again 
and things set up different now.  Would anyone be willing to give me a call and 
take a look at my signal.  
Hal W5GHZ  405-974-0760  anytime 

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On ‎Tuesday‎, ‎July‎ ‎31‎, ‎2018‎ ‎10‎:‎07‎:‎17‎ ‎AM‎ ‎GMT, Claude Frantz 
 wrote:  
 
 Hi All,

Sometimes, I have seen a strange signal on the air, in the usual FT8
"sub band". There are 8 tones in a bandwidth of 100 Hz and a TX duration
of 15 s. Is this a CLOVER signal or anything else ?

Best wishes,
Claude (DJ0OT)

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Re: [wsjt-devel] How much operating time before rebooting your computer

2018-04-26 Thread harold deitz via wsjt-devel 
Ray,
I have seen the same thing as N0AN mentioned.  Letting Win10 update solves the 
problem (if you can call it a problem).  I call it housekeeping.
Hal - W5GHZ



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On ‎Thursday‎, ‎April‎ ‎26‎, ‎2018‎ ‎11‎:‎28‎:‎36‎ ‎PM‎ ‎GMT, Hasan 
al-Basri  wrote:  
 
 I have observed this issue when win10 is waiting to update, but I haven't been 
notified that an update is pending. 
I discovered this when I noticed My 2nd wsjt-x machine was only decoding about 
one half the stations that my other machine was. When I told the 2nd ma Hine to 
restart, it immediately notified me that it was updating during the reboot and 
not to turn the machine off.
I have seen this scenario present itself 3 times now, over a three month 
period. 
In each case the 2nd computer began decoding exactly as the first.
Typically I have wsjt-x running on both computers 24/7
73, N0AN 

Hasan
On Wed, Apr 25, 2018, 5:53 PM Ray Jacobs  wrote:


I left WSJT running on my computer for several hours, (not on purpose) but 
found out the program lost sensitivy during that time. 
My question is after a couple hours should you shut down the program and reboot 
your Computer?
Ray KA3PCX



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