Attached is an ARGO capture of the twin 137 kHz signals at EN52ta, NE IL. 73, Garry, K3SIW -------------- next part -------------- A non-text attachment was scrubbed... Name: capt030_slow_sdr-iq_00000_crop.jpg Type: image/jpeg Size: 28952 bytes Desc: not available Url : http://mailman.qth.net/pipermail/lowfer/attachments/20110226/7809f10f/attachment.jpg