On 24-Jun-18 6:47 AM, Paul Signorelli wrote: > Which operating Mode is best to punch through the QRN on 600 meters? JT9 is best in my experience, as much as 15-20 dB better than CW depending on QRN conditions. WSPR is a bit better but it's a beacon mode rather than an operating mode. 73, Larry - W7IUV