[Elecraft] What's best Soundcard Interface for KX3

[Rick WA6NHC]

To be clear, the SLUSB VOX is the weak point if it is used for PTT. It 
is not reliable... this has little to do with the radio of any brand.

Rick

PS Congrats on the 160M VK0EK QSO, I know what an effort that was, I saw 
your call on DXA3 just after.



On 4/10/2016 10:58 PM, Jim Brown wrote:
> On Sun,4/10/2016 10:28 PM, Rick WA6NHC wrote:
>> While your decode level is admirable, using the SLUSB VOX to trigger 
>> the PTT is less than reliable. 
>
> I have no experience with the Signal Link unit, but I use AFSK RTTY, 
> JT65, JT9, ISCAT, and FSK441, making thousands of QSOs in a weekend 
> contest. I've never used anything but VOX for any voice or digital 
> mode, whether I was using the sound card built into my laptop or a 
> nice USB sound card. It makes life MUCH simpler, and it works quite 
> reliably if you set it up well.
>
> Like with any VOX setup, you start with high VOX sensitivity while 
> you're getting modulation levels right, then set the VOX for reliable 
> operation. There are detailed setup instructions for audio levels (but 
> not for setting VOX) in my review of USB sound cards at 
> k9yc.com/publish.htm
>
> 73, Jim K9YC