Copying WD2XSH/12 WD2XSH/15 WD2SXH/17 using WSPR all around 501.1 KHz despite much QRN Receiver R9500 with LF Engineering 26 inch E-fied probe atop roof on 1-story house. Earlier noted WD2XSH/6 on 495.028 kHz running QRSS3 cw and noted cw from WE2XGR/1 around 506.3 khz and WE2XGR/6 around 507.3 kHz -- David L. Wilson dwilson314 at verizon.net