Hi Jeff
Doing a side-by-side is easy as I explained in my
original post. I can absolutely (and empirically)
show that the FCD+/Linrad/MAP65 combo decodes
JT65B much more reliably than does the K3S/DEMI
xvtr/USB CODECWSJT10 combination as currently
configured. Whereas the TS2K/computer soundcard
(Realtek AC 97 based)/WSJT10 combo decodes JT65B
more reliably than the K3s combo. I haven't done
a TS2K and K3s combo side-by-side as I don't have the hardware to do so.
I was thinking about trying the In/Out
connections (via the RigBlaster) on the K3s to
see if the CODEC is the issue but I was wondering
if someone had already been down this road. Hence my question
Ken
At 12:02 PM 6/14/2016, Jeff Stai wrote:
The built-in sound card in the K3S works just
fine for RTTY decode - MMTTY and 2Tone - but
RTTY doesn't require high performance from a
sound card. For more demanding modes I can't
comment, but I would definitely expect the K3s
to meet or exceed the specs of the Rigblaster,
which is nothing special. Ken, I would look into
your setup in detail. If you can contrive to do
a real time side by side test where you can
observe both decodes at the same time that would
give you confidence that there is really something wrong, or not.Â
73 jeff wk6i
On Tue, Jun 14, 2016 at 11:50 AM, Robert Wood
<<mailto:[email protected]>[email protected]> wrote:
also curious if anyone has used the USB audio into MMTTY or 2Tone for
decoding RTTY and your report ?
73 Robert W5AJ
-----Original Message-----
From: Elecraft [mailto:[email protected]] On Behalf Of Ken
Arck
Sent: Sunday, June 12, 2016 8:27 PM
To: <mailto:[email protected]>[email protected]
Subject: [Elecraft] Performance of internal USB sound system compared to
external one?
Admittedly, I am a new owner of the K3s and am still learning my way around
it. I bought it mainly for use an IF radio for my DEMI 2 mtr xvtr, which I
use for EME work. It came highly recommended as one.
Prior to the K3s, my EME workhorse radio was a Kenwood TS2K which actually
worked "fine" but as most are. I am always looking to improve my station. I
used a RigBlaster as the sound card interface with the computer used.
I am using the USB port for everything - audio in/out, PTT, CAT control,
etc. along with some VSP software. I also run a splitter on the RX line from
the EME array with one side going to the DEMI xvtr and the other to a
FuncubePro+ dongle. The K3s feeds WJST and the
FCD+ feed MAP65, running side-by-side.
Trying NOT to drag this out too much longer, it seems to me the K3s/DEMI
setup simply doesn't decode as well as the TS2K did (does?) and I'm
wondering if anyone has real world experience in comparing how well the USB
audio method versus the IN/OUT and the Rigblaster interface to the
computer's soundcard. The FCD+ decodes MUCH better than the K3s/DEMI setup
as I currently have it whereas the TS2K seemed to be better on the weaker
signals.
Maybe I just don't have something setup correctly.....
TIA
Ken
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President and CTO - Arcom Communications Makers of repeater controllers and
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Authorized Dealers for Kenwood and Telewave and we offer complete repeater
packages!
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------------------------------------------------------------------------------
President and CTO - Arcom Communications
Makers of repeater controllers and accessories.
http://www.arcomcontrollers.com/
Authorized Dealers for Kenwood and Telewave and
we offer complete repeater packages!
AH6LE/R - IRLP Node 3000
http://www.irlp.net
"We don't just make 'em. We use 'em!"
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
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