HFU HF Underground
		Loggings => HF Mystery Signals => Topic started by: nickcarr on January 15, 2016, 1132 UTC
		
			
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				What do you guys think?  Very strong in Japan.  Sounds like low frequency pulses in AM mode.  Thump Thump Thump. Perhaps 2-3 per second.
 
 Looks cool on the waterfall:
 
 (https://www.dropbox.com/s/hurit2kbdboncha/14950japan.JPG?raw=1)