urn:nasa:pds:msl_dan_raw:data:dnb_815433751epa47081191722_______m.dat 1.0 1.19.0.0 Product_Observational DNB_815433751EPA47081191722_______M1 VICAR PRODUCT_ID 2025-11-03T10:30:21.253Z 10:06:15.492 10:43:28 165.627 Mars Science Laboratory Mission urn:nasa:pds:context:investigation:mission.mars_science_laboratory data_to_investigation This is the PDS4 logical identifier for the Mars_Science_Laboratory Mission. Mars Science Laboratory Host urn:nasa:pds:context:instrument_host:spacecraft.msl is_instrument_host This is the PDS4 logical identifier for the Mars Science Laboratory spacecraft. Dynamic Albedo Of Neutrons Instrument urn:nasa:pds:context:instrument:dan.msl is_instrument This is the PDS4 logical identifier for the Dynamic Albedo Of Neutrons onboard the Mars Science Laboratory spacecraft. Mars Planet urn:nasa:pds:context:target:planet.mars data_to_target This is the PDS4 logical identifier for the planet - mars. chronos.msl Telemetry Geometry as reported by the spacecraft in telemetry geom_telemetry_state RSM REMOTE SENSING MAST AZIMUTH 3.1590025 ELEVATION 0.7505312 ARM ROBOTIC_ARM JOINT 1 SHOULDER AZIMUTH -0.3999693 JOINT 2 SHOULDER ELEVATION -1.4500101 JOINT 3 ELBOW-ENCODER 1.6000167 JOINT 4 WRIST-ENCODER 0.1500270 JOINT 5 TURRET-ENCODER 3.1415076 ROVER_FRAME_119_1722_92_894_0_1344_3080_1936_0_0 Clockwise Up ROVER_FRAME SITE 119 DRIVE 1722 POSE 92 ARM 894 CHIMRA 0 DRILL 1344 RSM 3080 HGA 1936 DRT 0 IC 0 11.3676 31.5214 5.79685 0.0560643 0.0155533 -0.9971422 0.0481911 Forward SITE_FRAME SITE 119 RMC SITE 119 DRIVE 1722 POSE 92 ARM 894 CHIMRA 0 DRILL 1344 RSM 3080 HGA 1936 DRT 0 IC 0 dan_00015 0 1 2 UNK 0 173 DanPassive MPCS_MSL_DP 451956328 DanPassive_0815433751-30044-2.dat Data Product 47081 2025-307T10:30:21.707Z 815433751.30044 COMPLETE_CHECKSUM_PASS 2025-11-03T23:20:49.756Z 51 37440 0 0 mslsmsampcs1 3851 65535 SURFACE_NOMINAL 37440 26159 false 32 DNB_815433751EPA47081191722_______M1.DAT dnb_815433751epa47081191722_______m1 2026-01-29 SCIENCE TABLE science-table 0 180 This table contains neutron spectra and associated instrument parameters as observed by the Mars Science Laboratory (MSL) Dynamic Albedo of Neutron Detector (DAN). Detailed descriptions for the parameters defined below are contained in the DAN EDR SIS document. The complete column definitions are contained in an external file found in the LABEL directory of the archive volume. 33 4 208 SCLK 1 1 UnsignedMSB4 4 The Rover Compute Element (RCR) clock in seconds. AUTOBYTE_CNT 2 5 UnsignedMSB4 4 The number of bytes in the data packet. This includes FRAME_HDR through DAN_CHECKSUM FRAME_HDR 3 9 UnsignedMSB4 4 The data frame header. This is broken down into the following bits: bits 1 - 8 is opcode which specifies an instrument activity, bits 9 - 10 specifies error control algorithm, DAN uses the checksum error control, bit 11 indicates the presence (1) or absense (0) of both DATA_LEN and DATA. bit 12 command reply flag bits 13 - 32 are a status flag defined as follows: bit 13 is on if instrument in standby mode, bit 14 is on if instrument in passive mode bit 15 is on if instrument in active mode bits 16 - 27 are unused bits 28 - 32 condition code, 1 - Nominal, 2 - Frame_err, 3 - Overrun, 4 - Parity Error, 6 - Bad_Opcode, 7 - Bad_Err Control type, 10 - Bad_condition code, 11 - Bad_Data length, 12 - Bad_checksum, 13 - Wrond_mode, 14 - Bad Data. DATA_LEN 4 13 UnsignedMSB4 4 The length of the data packet from the instrument in bytes. This includes column SYNCRO through HV_VALUES. SYNCRO 5 17 UnsignedMSB4 4 The synchronization bytes at the beginning of each record. DATA_FRAME_NUMBER 6 21 UnsignedMSB2 2 Incrementing counter for data packets. DAN_TIME 7 23 UnsignedMSB4 4 DAN instrument time in milliseconds since last power up. CMDS_ARRAY 1 8 5 0 The last 8 commands sent to the instrument. 27 64 COMMAND_TIME 1 UnsignedMSB4 4 DAN instrument time in milliseconds when command was executed. OPCODE 5 UnsignedByte 1 Command identifier. PARAMS 6 UnsignedByte 1 Bit field: - bit 7: data present bit, when '0' argument1 and argument2 datafields are meaningless - bit 6 and 5 are meaningless - bits 4 through 0: condition code, shows status of the command execution according to electrical specs. ARG1 7 UnsignedByte 1 First argument to the command. ARG2 8 UnsignedByte 1 Second argument to the command. FRAME_TYPE 8 91 UnsignedByte 1 Current instrument mode, 0 - standby, 1 - passive, 2 - active. TEMP1 9 92 UnsignedByte 1 PNG temperature in DN. TEMP2 10 93 UnsignedByte 1 High voltage board temperature in DN. TEMP3 11 94 UnsignedByte 1 FPGA temperature in DN. TEMP4 12 95 UnsignedByte 1 Analog board #1 temperature in DN. TEMP5 13 96 UnsignedByte 1 Analog board #2 temperature in DN. TEMP6 14 97 UnsignedByte 1 Case temperature in DN. PNG_CHARGE_TIME 15 98 UnsignedByte 1 PNG charge time in milliseconds NUM_PULSES 16 99 UnsignedMSB2 2 Number of PNG pulses since power on. NUM_CMD_RECV 17 101 UnsignedMSB2 2 Number of commands received since power on. NUM_CMD_RJCT 18 103 UnsignedMSB2 2 Number of commands rejected since power on. PNG_ALARM 19 105 UnsignedByte 1 Indication of PNG Alarm, bifield: Bit 7: Alarm by PNG HV out of range Bit 6: PNG temperature out of range Bit 5: Detector 2 anomaly countrate Bit 4: Detector 1 anomaly countrate Bit 0: PNG alarm detected. RESET_TYPE 20 106 UnsignedByte 1 Type of reset: 0 - Power on reset 1 - RS-422 cmd reset 2 - Discrete line A reset 3 - Discrete line B reset. 2 16 1 0 107 16 HV_VALUES 1 1 UnsignedByte 1 History of the PNG high voltage, last 16 values. Real value in Volts calculated by 1 / (17 * value / 1600000) NUM_NORM_PULSES 21 123 UnsignedMSB2 2 Number of normal pulses accumulated in CTN and CETN. NUM_SPONTANEOUS_PULSES 22 125 UnsignedByte 1 Number of spontaneous pulses not accumulated. NUM_MISSED_PULSES 23 126 UnsignedByte 1 Number of pulses that did not take place. ACCUM_TIME 24 127 UnsignedMSB2 2 Accumulation time for measurement in 1/10sec. PNG_FREQUENCY 25 129 UnsignedByte 1 Pulsing Neutron Generator frequency. LEVELS 26 130 UnsignedByte 1 Bits 7:6 = High Voltage 1 (set by SET_HV command). 0 = off, 2 = high, 3 = low. Bits 5:4 = High Voltage 2 (set by SET_HV command). 0 = off, 2 = high, 3 = low. Bits 3:2 = Discriminator level 1 (set by SET_DISC command). 0 = low, 1 = high. Bits 1:0 = Discriminator level 2 (set by SET_DISC command). 0 = low, 1 = high. BIN_TIME 27 131 UnsignedByte 1 basic binning time for pulses, divide by 2 to get microseconds. BIN_SCALING 28 132 UnsignedByte 1 Multiplier of how much larger next bin will be. PULSE_TIME 29 133 UnsignedMSB2 2 Pulsing time in 1/10sec. MAX_PULSES 30 135 UnsignedMSB2 2 Maximum number of pulses. PNG_PROTECTION 31 137 UnsignedMSB2 2 PNG protection options. Least Significant Bit is bit 0. When bits 0-3 are on, bits 8-15 are ignored bits 11:08 = protection threshold for detector #1. bits 15:12 = protection threshold for detector #2. value 0 = highest, 15 = lowest 15 is lowest protection so most likely to allow PNG_WARNING) 3 16 1 0 139 32 CTN_SPECTRUM 1 1 UnsignedMSB2 2 A single 16 channel CTN spectrum over time in ACCUM_TIME. Epithermal neutrons from 0.4 eV up to energy of about 100 keV. 4 16 1 0 171 32 CETN_SPECTRUM 1 1 UnsignedMSB2 2 A single 16 channel CETN spectrum over time in ACCUM_TIME. Epithermal and thermal neutrons up to energy of about 100 keV. DAN_CHECKSUM 32 203 UnsignedMSB2 2 Checksum at end of instrument data, lowest two bytes of the sum of all bytes in data. FLETCH_CHECKSUM 33 205 UnsignedMSB4 4 Fletcher checksum added by rover processor. DNB_815433751EPA47081191722_______M1.LBL 0 PDS3 Original PDS3 label Carriage-Return Line-Feed