Hank,

The dropouts could be due to buffer size settings or by using the High
Res. Option on the Keying Tab without enough computing power.  Check
both of these things and let usk now if you're still having trouble.


Eric Wachsmann
FlexRadio Systems

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> radio.biz] On Behalf Of Lyman H. Wolfla II
> Sent: Wednesday, April 19, 2006 6:49 PM
> To: [email protected]
> Subject: Re: [Flexradio] CW tone and carrier drop out
> 
> Help - When I hold down my key in CW, I do not get a nice steady tone.
I
> get random pops of very short duration and my power/SWR meter shows
that
> when these pops occur, my output power is dropping off.  This happens
at
> all
> levels of power.  Using a second receiver I have noted that this does
not
> happen when I use the "tune" button on the radio, only in CW.  I have
> tried
> changing the buffers both in the audio card, and the DSP with no
effect.
> Has anyone else seen this, and do you have any suggestions.
> 
> Lastly, I have am having problems with RFI in the shack causing
problems
> on
> the higher bands with the use of my 500 watt amplifier.  Any
suggestion on
> any sure fire cure for this problem.
> 
> Thank you for reading, and I hope you have some good ideas.
> 
> 73,
> 
> Hank
> K9LZJ
> 
> Hank Wolfla
> 
> 1308 S. Peace St.
> Greenfield, IN 46140
> [EMAIL PROTECTED]
> 317-861-0186
> Cell: 317-448-3457
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Peter Hoon
> Sent: Wednesday, April 19, 2006 7:37 PM
> To: [email protected]
> Subject: [Flexradio] CW Performance Of SDR1K
> 
> Am mostly a CW man, studying possibility of buying the SDR1K.  There
are
> so
> many outstanding features in this rig. Am seeking more information on
CW
> behavior of the SDR1K and solution paths. Would like comments on any
one
> or
> all of the following points:
> 
> 
> 
> 1)      Out of the box, with no workarounds, would like a report of
just
> how
> the SDR1K currently behaves on CW (I read the old description in the
Oct
> 2005 QST article).  Could you compare it to classic QSK rigs such as
TT
> Omni
> VI+, or K2, and tell me what I would actually hear at 22 to 30 WPM?
Is
> the
> side tone delayed?  Do dits and dahs get cut off at the beginning?  At
> this
> reflector on March 23 Lee Crocker, W9OY, said that he encounters
"variable
> delays up to several hundred milliseconds" between the last key press
and
> when the SDR1K goes back into the receive mode.  Just how does this
affect
> the CW man's enjoyment of the SDR1K for regular CW work?
> 
> 2)      Now, with a clear description of the problem in mind, tell me
what
> workarounds CW fellows have used to mitigate the SDR1K CW problems?
How
> successful are these workarounds, and what extra hardware should I
plan on
> purchasing?  In your view, is the SDR1K satisfactory to the CW man
with
> these changes?
> 
> 3)      Can you trounce this beast with pure firepower?  For example,
Tim
> Ellison's monster, a dual Athlon core 64 bit 4400+ with plenty of L1
and
> L2
> cache, or the Dual Core Intel Pentium D 840 3.4 GHz in top of the line
> Asus
> mobos, with plenty of hi speed ram?  (Is one CPU preferred over the
> other?).
> 
> 4)      Are there "CW speed sensitive" sections of code that could be
> re-written in assembler and called from the main C sharp program?  At
> about
> what point in the future does the SDR1K team expect CW problems to be
> resolved?
> 
> 5)      If the biggest part of the problem is  "variable delays of
several
> hundred milliseconds" (since Windows XP was not designed for real time
> aps),
> does the stripped down version of XP (http://www.litepc.com/), Windows
> 2000
> Pro or Windows Server 20003 solve this problem?
> 
> 
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> 
> 
> 
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