I've never found a soundcard to be a limiting factor in RTTY. I've used the
internal soundcard on laptops and desktops with no impact on performance.
Few laptops have stereo LINE IN, however, so in those cases I use a low-end
USB dongle such as the iMic. (I typically use the left and right channels
for the main and sub-receivers, but they could be used for the main
receivers in two radios for SO2R on one computer.)
This experience may not apply to some of the other digital modes like PSK31.
Ed - W0YK
Nick, W4GKM, asked:
> Anyone have on of these for sale? If not what external sound
> card would you suggest as I have no room for another sound
> card and not for sure about the two connections on one sound card.
>
> I tried an external creative sound blaster but the quality
> was so poor I could hardly print even strong signals.
>
> Suggestions please
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