Jim,
The SignaLink sound card is quite adequate for running digital
modes on HF, and it appears to be better than the one in my Toshiba
Satellite laptop. However, I do use a professional level USB card for my
panadapter which is far more demanding. And, PTT is less clunky if
you're not knowledgeable enough to set VOX properly.
There are some secondary, subtle, issues with running using the
built in software for RTTY, CW, and PSK on the KX3. Those are you can't
run the other modes should you desire and you can't see multiple streams
of data simultaneously which is very useful if you looking for picking
up awards.
Using an external sound card frees up your computer sound card for
other things while you demod/decode digital signals. For the cost of a
SignaLink USB, or equivalent for about $100, you open up a layer or two
of additional flexibility. My interface is permanently in my KX3 audio
line with my amplified speakers coming off the Aux. on the back of the
I/F. I can switch modes by just invoking data a mode on the KX3 and
replacing my mic with the cable from my interface.
I interpret what you are saying as being heavily biased toward
operating on the digital modes. That's OK, but I use CW and phone as
much if not more. So, I designed my station for ease of mode switching
and maximum performance.
Vy 73,
Barry
K3NDM
On 6/9/2015 12:35 PM, Jim Brown wrote:
On Tue,6/9/2015 9:23 AM, Barry LaZar wrote:
The SignaLink not only has a built in sound card, but it also
controls the radio's PTT function. Yes, you can use VOX, but this
plays a little less clunky.
There is nothing "clunky" about using VOX for PTT. I've made many
thousands of digital contacts, and I've used nothing but VOX.
The SignaLink is NOT a good sound card. See the link posted by others
to my website for GOOD sound cards.
73, Jim K9YC
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