[amsat-bb] Re: SEEDS,Cute-1.7+APDII and COMPASS-1 over West Malaysia

[Luc Leblanc <lucleblanc6@xxxxxxxxxxxx>]

On 5 May 2008 at 12:30, Sion Chow Q. C. (9W2QC) wrote:

> Dear All,
> 
>  
> 
> Pass report for SEEDS, Cute-1.7+APDII and COMPASS-1 over West Malaysia
> 
>  
> 
> Time: 1054 Local or 0254 UTC
> 
> Max Elevation: 55 degrees
> 
> Satellites: Cute-1.7+APDII & COMPASS-1
> 
>  
> 
> http://www.9w2qc.net/amsatbb/cute05may1054.mp3
> 
>  
> 
> After 3 minutes, QSYed to SEEDS which was in digitalker mode.  Below is the
> best SSTV picture from SEEDS.  Can anyone explain why the image is still
> noisy despite a full quieting 59+10db signal (with preamp on)?
> 
>  
> 
The problem came from the background waves pattern as it was coming from an unregulated voltage or something is added in the signal from 
the original recording?  I checked this week end on HF some SSTV transmissions HF and theses waves pattern where not present. 

Luc Leblanc VE2DWE
Skype VE2DWE
www.qsl.net/ve2dwe
WAC BASIC CW PHONE SATELLITE

 

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