12 Aug – noise dip every 1.28 sec => 46.8 rpm
10 Aug – noise dip every 1.25 sec => 48 rpm
09 Aug – noise dip every 1.29 sec => 46.5 rpm
08 Aug – noise dip every 1.35 sec => 44.4 rpm
07 Aug – noise dip every 1.49 sec => 40.2 rpm
06 Aug – noise dip every 1.67 sec => 35.9 rpm
02 Aug – noise dip every 1.88 sec => 31.9 rpm
28 Jul – noise dip every 1.83 sec => 32.8 rpm
26 Jul – noise dip every 1.78 sec => 33.6 rpm
