November 4, 2021

e-POP Data Change Log


CASSIOPE SPACECRAFT (Swarm-E)
PROCESSED DATA HANDBOOK

e-POP Data Change Log

This table details a summary of the latest changes made to e-POP data files.

InstrumentProductVersionDateChanges
SpacecraftCAS Ephemeris txt1.22022-06-10Minor bug fix in calculation of geodetic latitude and altitude. Fixes errors on the order of 0.001 degrees latitude and 0.01 km altitude.
CERTEC zipn/a2013-09-13Initial version
FAIlv1 h5v5.02021-10-08– New format (hdf5)
– Image data is now in units of Rayleighs
– Files now include latitude and longitude of
projection of image onto the Earth at 110 km
(NIR) or 220 km (VIS) altitude
– Updated ephemeris and attitude data
– Now one file per pass rather than one file per
image
GAPlv1 binaryv2.02018-06-22– Filenames now have a major and minor
version number
– Data files are now split after two minutes
of break rather than twenty
– Fixed bug that caused minor loss of data
at the end of some files
GAPlv1 binaryv3.12020-08-25Filename now supports the
major.minor.reprocessCount versioning standard
GAPLOS_TEC netCDFv2.12021-10-26Initial version of Line-of-sight TEC
IRMSSC h5v1.02021-10-08– Initial version of Sensor Skin Current (SSC) h5
product.
– Note that this version supercedes the
IRM_skin_current
lv1 data product. The IRM_skin_current data
product will soon be retired and removed from
the e-POP public data server.
MGFlv1b CDFv02022022-05-25– New format (Swarm-like CDF)
– Complete overhaul of calibration
– Now includes flags and quality indicators
– Now includes attitude and ephemeris data
– Now includes CHAOS model magnetic field
values
RRIlv1h5v11.02021-09-27Updated ephemeris and attitude data to
match the CAS_Orbit sp3 ephemeris files and
CAS_attQuat attitude data. ** THIS VERSION
CONTAINS A TIMING BUG IN THE RADIO
DATA (times are off by up to one second) **
RRIlv1 h5v12.02021-10-29Fixed incorrect radio data times