urn:nasa:pds:mess_grs_derived:data_cdr:grs_e022012142zzz_dat 1.0 1.10.1.0 Product_Observational 2018-07-27 1.0 PDS4 migrated product. 2012-05-21T00:00:57.847Z 2012-05-21T23:59:57.849Z MESSENGER Mission urn:nasa:pds:context:investigation:mission.messenger data_to_investigation MESSENGER Spacecraft urn:nasa:pds:context:instrument_host:spacecraft.mess is_instrument_host Gamma Ray Spectrometer Instrument urn:nasa:pds:context:instrument:grs.mess is_instrument Mercury Planet urn:nasa:pds:context:target:planet.mercury data_to_target Mercury Orbit Year 2 1/246045923 1/246132263 grs_eng2012142 grs_cdr_gen 1.0 grs_e022012142zzz.dat 2012-11-27T17:27:47Z 0 1440 LVPS_NEG5V voltage, in Volts 5 0 47 met 1 1 UnsignedMSB4 4 Mission elapsed time corresponding to the start of the accumulation period. utc 2 5 ASCII_String 23 The met converted to UTC. raw_val 3 28 SignedMSB4 4 The raw digital value of the reading as output from the analog-to-digital converter. eng_val 4 32 IEEE754MSBDouble 8 Raw value transformed to a physical unit. smooth_val 5 40 IEEE754MSBDouble 8 Raw value transformed to a smoothed physical unit. grs_eng2012142zzz.lbl 0 PDS3 Original PDS3 label Carriage-Return Line-Feed