Available data files:
20110908U1.1sec.txt 20110909U1.1sec.txt 20110909U3.1sec.txt 20110910U1.1sec.txt 20110910U3.1sec.txt 20110911U2.1sec.txt
Files used in processing:
20110908U1.1sec.txt
20110909U1.1sec.txt
20110909U3.1sec.txt
20110910U1.1sec.txt
20110910U3.1sec.txt
20110911U2.1sec.txt