Fast Radio Bursts on multiples of 187.5 from space for the last 15 years

http://www.newscientist.com/article/mg22630153.600-is-this-et-mystery-of-strange-radio-bursts-from-space.html?utm_source=NSNS&utm_medium=SOC&utm_campaign=hoot&cmpid=SOC%7CNSNS%7C2014-GLOBAL-hoot#.VRtVLJuqpBc   via Is this ET? Mystery of strange radio bursts from space - space - 31 March 2015 - New Scientist.