F1: negative time step
QC::testTimeStep()
Path: /datacentre/archvol/archiveroots/archive/badc/cmip5/data/cmip5/output1/IPSL/IPSL-CM5A-LR/rcp26/6hr/atmos/6hrPlev/r3i1p1/v20111119/psl
File: psl_6hrPlev_IPSL-CM5A-LR_rcp26_r3i1p1_2056010103-2100123121.nc
rec#=12417, Time: 21354.1 --> 0, Date: 2064-07-04T03:00:00 --> 2006-01-01T00:00:00

F4: identical time step
QC::testTimeStep()
Path: /datacentre/archvol/archiveroots/archive/badc/cmip5/data/cmip5/output1/IPSL/IPSL-CM5A-LR/rcp26/6hr/atmos/6hrPlev/r3i1p1/v20111119/psl
File: psl_6hrPlev_IPSL-CM5A-LR_rcp26_r3i1p1_2056010103-2100123121.nc
rec# 12418, Time: 0, Date: 2006-01-01T00:00:00

F4: identical time step
QC::testTimeStep()
Path: /datacentre/archvol/archiveroots/archive/badc/cmip5/data/cmip5/output1/IPSL/IPSL-CM5A-LR/rcp26/6hr/atmos/6hrPlev/r3i1p1/v20111119/psl
File: psl_6hrPlev_IPSL-CM5A-LR_rcp26_r3i1p1_2056010103-2100123121.nc
rec# 12419, Time: 0, Date: 2006-01-01T00:00:00

F4: identical time step
QC::testTimeStep()
Path: /datacentre/archvol/archiveroots/archive/badc/cmip5/data/cmip5/output1/IPSL/IPSL-CM5A-LR/rcp26/6hr/atmos/6hrPlev/r3i1p1/v20111119/psl
File: psl_6hrPlev_IPSL-CM5A-LR_rcp26_r3i1p1_2056010103-2100123121.nc
rec# 12420, Time: 0, Date: 2006-01-01T00:00:00

F4: identical time step
QC::testTimeStep()
Path: /datacentre/archvol/archiveroots/archive/badc/cmip5/data/cmip5/output1/IPSL/IPSL-CM5A-LR/rcp26/6hr/atmos/6hrPlev/r3i1p1/v20111119/psl
File: psl_6hrPlev_IPSL-CM5A-LR_rcp26_r3i1p1_2056010103-2100123121.nc
rec# 12421, Time: 0, Date: 2006-01-01T00:00:00

F4: 	more ...