Topband: Anyone using WSPR or WSPR-X?

[Jim Brown]

On Mon,9/1/2014 12:30 PM, Larry wrote:
> Be very careful about audio levels.

Also, use a good A/D converter to get the RX audio into your computer. 
Several good, inexpensive USB sound cards are listed on my website. 
Switching from the mic input of my laptop to these units allowed me to 
reliably decode signals 12 dB deeper into the noise on JT65.

http://k9yc.com/USB_Interfaces.pdf

73, Jim K9YC