On 2/19/2016 8:25 PM, Don Sentz wrote: > I made the attached 12 second long AFSK test signal using > Audacity. The SNR is supposed to be +3dB. I like it, I like the SNR ratio too. I'll have to run this through the HAL ST-8000A at the shop just for laughs. Thank you. -- Jeff-1.0 wa6fwi http://www.foxsmercantile.com