urn:nasa:pds:lro-crater:data-der-sec:crat_l2_sec_2025302 1.0 1.18.0.0 Product_Observational Spence, H.E. 2026 Lunar Reconnaissance Orbiter LRO Cosmic Ray Telescope for the Effects of Radiation CRaTER Derived (Level 2) secondary science (engineering) data from CRaTER for year 2025 day 302 (2025-10-29). 2026-02-23 1.0 This product, CRAT_L2_SEC_2025302_V01.TAB, also is part of the PDS3 LRO-L-CRAT-3/4-DDR-PROCESSED-V1.0 dataset. The metadata have been migrated to PDS4. The data themselves are unchanged. Instrument Serial Number: 2 2025-10-29T00:00:00.13Z 2025-10-29T23:59:59.14Z Science Derived Magnetosphere Heliosphere Particles Ions Cosmic Ray LRO Mission urn:nasa:pds:context:investigation:mission.lunar_reconnaissance_orbiter data_to_investigation CRaTER Instrument urn:nasa:pds:context:instrument:lro.crat is_instrument LRO Host urn:nasa:pds:context:instrument_host:spacecraft.lro is_instrument_host Moon Satellite urn:nasa:pds:context:target:satellite.earth.moon data_to_target SIXTH EXTENDED SCIENCE MISSION 0783388800.12 0783475199.12 1 Ions Counts urn:nasa:pds:lro-crater:data-der-pri:crat_l2_pri_2025302::1.0 data_to_derived_product urn:nasa:pds:lro-crater:data-der-hk:crat_l2_hk_2025302::1.0 data_to_derived_product The referenced product contains instrument engineering data associated with this product. LRO-L-CRAT-3/4-DDR-PROCESSED-V1.0:CRAT_L2_SEC_2025302_V01:CRAT_L2_SEC_2025302_V01.TAB data_to_derived_source_product 10.17189/1519729 NASA Planetary Data System This is the first version of this product converted to PDS4. The DOI provided references the PDS3 source data set. CRAT_L2_SEC_2025302_V01.TAB 2025-11-01T10:14:27Z 16761600 a7acab29196bf7c1166ebe34f9eeaf07 This data file is unmodified from the PDS3 version. 0 86400 Carriage-Return Line-Feed 32 0 194 SECONDS 1 1 ASCII_Integer 9 %9d s Spacecraft Time (elapsed seconds from epoch 2001-01-01T00:00:00.000 UTC). Derived from spacecraft clock time. FRACT 2 11 ASCII_Integer 2 %2d 10**-2 s Spacecraft Time (fractional seconds in units of 1/100 second). Derived from spacecraft clock time. TIME 3 15 ASCII_Date_Time_YMD 19 Spacecraft Time--UTC (yyyy-mm-ddThh:mm:ss). BIASCNTRL 4 36 ASCII_Integer 1 %1d Detector Bias Delayed Control Flag (1 = enabled). BIASCMD 5 38 ASCII_Integer 1 %1d Detector Bias Voltage Flag (1 = on). CALLOW 6 40 ASCII_Integer 1 %1d Internal Calibration Pulser--Low Range Flag (1 = enabled). CALHIGH 7 42 ASCII_Integer 1 %1d Internal Calibration Pulser--High Range Flag (1 = enabled). CALRATE 8 44 ASCII_Integer 1 %1d Internal Calibration Pulser Pulse Rate Flag (0 = 8 Hz; 1 = 1953 Hz). PROCDFLAG 1 9 46 ASCII_Integer 1 %1d Detector Processing Flag (1 = enabled). PROCDFLAG 2 10 48 ASCII_Integer 1 %1d Detector Processing Flag (1 = enabled). PROCDFLAG 3 11 50 ASCII_Integer 1 %1d Detector Processing Flag (1 = enabled). PROCDFLAG 4 12 52 ASCII_Integer 1 %1d Detector Processing Flag (1 = enabled). PROCDFLAG 5 13 54 ASCII_Integer 1 %1d Detector Processing Flag (1 = enabled). PROCDFLAG 6 14 56 ASCII_Integer 1 %1d Detector Processing Flag (1 = enabled). LASTCMD 15 58 ASCII_Integer 5 %5d Address of last command to CRaTER. LASTVALUE 16 64 ASCII_Integer 5 %5d Contents of last command to CRaTER. DISCTHIN 17 70 ASCII_Integer 5 %5d LLD Setting--Thin Detectors (D1, D3, D5). DISCTHICK 18 76 ASCII_Integer 5 %5d LLD Setting--Thick Detectors (D2, D4, D6). MASK 1 19 82 ASCII_Integer 10 %10d Detector Coincidence Discriminator Accept Mask (64 bits). MASK 2 20 93 ASCII_Integer 10 %10d Detector Coincidence Discriminator Accept Mask (64 bits). SINGLE 1 21 104 ASCII_Integer 5 %5d D1 Singles Counter. SINGLE 2 22 110 ASCII_Integer 5 %5d D2 Singles Counter. SINGLE 3 23 116 ASCII_Integer 5 %5d D3 Singles Counter. SINGLE 4 24 122 ASCII_Integer 5 %5d D4 Singles Counter. SINGLE 5 25 128 ASCII_Integer 5 %5d D5 Singles Counter. SINGLE 6 26 134 ASCII_Integer 5 %5d D6 Singles Counter. GOOD 27 140 ASCII_Integer 5 %5d Good Events Counter. REJECT 28 146 ASCII_Integer 5 %5d Rejected Events Counter. TOTAL 29 152 ASCII_Integer 5 %5d Total Events Counter. MOONVEC 1 30 158 ASCII_Real 11 %11.4e km Moon-to-Spacecraft Vector (MOON_ME), component 1. MOONVEC 2 31 170 ASCII_Real 11 %11.4e km Moon-to-Spacecraft Vector (MOON_ME), component 2. MOONVEC 3 32 182 ASCII_Real 11 %11.4e km Moon-to-Spacecraft Vector (MOON_ME), component 3.