Known time desc » History » Revision 14
Revision 13 (Anonymous, 07/07/2016 06:26 PM) → Revision 14/31 (Anonymous, 08/07/2016 09:54 AM)
h1. Known time description h2. Double Time ranges : date from 01/01/1970 to 01/01/2100 * seconds from 01/01/1970 00:00:00 : 0 to 4 102 488 000 * milliseconds from 01/01/1970 00:00:00 : 0 to 4 102 488 000 000 (ambiguity for the first 48days of 1970 with previous time format) * seconds from 01/01/0000 00:00:00 : 62 168 472 000 to 66 270 960 000 (no ambiguity) * milliseconds from 01/01/0000 00:00:00 : 62 168 472 000 000 to 66 270 960 000 000 (no ambiguity) * seconds from 01/01/2000 00:00:00 : - 946 728 000 to 3 155 760 000 (TT2000) ( ambiguity with first time format for time before 2000) * milliseconds from 01/01/2000 00:00:00 : - 946 728 000 000 to 3 155 760 000 000 (ambiguity with TT2000 in seconds?) for both time from 1970 and 2000) h2. Known time description |_.Mission Name |_.time var name |_. units |_.DEPEND |_.LABLAXIS|_.FIELDNAM |_.CATDESC |_.Type |_.VIRTUAL|_.nb of records|_.VAR_NOTES| |Cluster FGM |time_tags__CDFNAME |ms |0 |UT |Universal Time |Interval centred time tag |CDF_EPOCH | |normal |field missing| |Cluster HIA |time_tags__CDFNAME |ms |0 |UT |Center Time |Interval centred time tag |CDF_EPOCH | |normal |field missing| |||||||||||| |Themis Efi,SCM |VARNAME_time |sec |TIME |UT |Same as time var name|UTC, in seconds sinc 01-Jan-1970 00:00:00|CDF_DOUBLE | 00:00:00|CDF_DOUBLE| |normal |Unleaped seconds| |Themis Efi,SCM |VARNAME_epoch |field missing|0 |UT |Same as time var name|Unrelated |CDF_EPOCH |true |0 |field missing| |Themis Efi,SCM |VARNAME_dot0_epoch0|msec |EPOCH0 |UT |Same as time var name|EPOCH of THEMIS time base |CDF_EPOCH | |1 |EPOCH of 01-Jan-1970 00:00:00| |Themis Esa |VARNAME_time |sec |TIME |UT |Same as time var name|UTC, in seconds sinc 01-Jan-1970 00:00:00|CDF_REAL8 | 00:00:00|CDF_REAL8| |normal |Unleaped seconds| |Themis Esa |VARNAME_epoch |field missing|0 |UT |Same as time var name|Unrelated |CDF_EPOCH |true |0 |field missing| |Themis Esa |VARNAME_dot0_epoch0|msec |EPOCH0 |UT |Same as time var name|EPOCH of THEMIS time base |CDF_EPOCH | |1 |EPOCH of 01-Jan-1970 00:00:00| |Themis Peer |VARNAME_time |sec |TIME |UT |Same as time var name|UTC, in seconds sinc 01-Jan-1970 00:00:00|CDF_DOUBLE | 00:00:00|CDF_DOUBLE| |> data |Unleaped seconds| |Themis Peer |VARNAME_epoch |field missing |0 |UT |Same as time var name|VARNAME |CDF_EPOCH | |normal |field missing| |Themis Peer |VARNAME_epoch0 |msec |EPOCH0 |timebase |Same as time var name|EPOCH of THEMIS time base |CDF_EPOCH | |1 |EPOCH of 01-Jan-1970 00:00:00| |MMS fpi |Epoch (absent, Epoch_minus_var is present) |s |0 |Field missing | VARNAME|VARNAME |CDF_UINT1 | |1 |VARNAME| |MMS scm |epoch_timetag |ns |0 |VARNAME |Same as time var name|Packet time time |CDF_TIME_TT2000| |normal |field missing| |MMS scm |Epoch (other var time) |ns |0 |VARNAME |Same as time var name|Time |CDF_TIME_TT2000| |normal |field missing|