Unid Low VHF
It is going 24/7, sometimes one stations, sometimes two. I believe it is something from the military. Location Kempele, Finland.
Here is an IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. file and a audio recording of a longer burst. ( Packed with 7Zip ) Please let us know what this is !!! Such a strange Signal...
PS: this on seems to be the same Signal. http://www.sigidwiki.com/wiki/Unknown_40
(M.K.) Germany 6 January 2016
Update 21 March 2018
I couldn´t receive the signal for over a year. But in came back on a few months ago (gone again by now). And this time not just this "idle" sound. Drumroll..... It´s a baby-phone...