marxy's musing on technology
///////////////////////////////////////////
What WSPR signal to noise ratio is needed for sideband to be intelligible?
Posted: 20 May 2020 12:55 AM PDT
http://blog.marxy.org/2020/05/what-w...-ratio-is.html
The end-fed antenna is working pretty well on 40m and I'd love to have a
contact with Sydney friends. John, VK2ASU, kindly agreed to run a WSPR
beacon so I could find the best times to receive him.
Over a 24 hour period, with him transmitting just 10mW, the best SNR was
-21dB here.
My question, to the brains trust hopefully reading, is what WSPR signal to
noise ratio would be enough such that