Dex In daylight about 25 dB s/n in 28 mHz BW ... http://www.w1vd.com/grabber.html ... half or less than that during nightime hours. Welding goggle copy at the moment over the 600 mile path. Based on limited observations, static seems significatly stronger at night on 73 vs.137 kHz. Jay W1VD WD2XNS WE2XGR/2 WG2XRS/2