Available data files:
20110908U2.1sec.txt 20110909U2.1sec.txt 20110909U4.1sec.txt 20110910U2.1sec.txt 20110910U4.1sec.txt 20110911U1.1sec.txt 20110914U1.1sec.txt
Files used in processing:
20110908U2.1sec.txt
20110909U2.1sec.txt
20110909U4.1sec.txt
20110910U2.1sec.txt - incorrect ferry leg masking
20110910U4.1sec.txt
20110911U1.1sec.txt
20110914U1.1sec.txt