Product_Observational

Identification_Area

logical_identifier

urn:nasa:pds:lro-crater:miscellaneous:gaps-pri

version_id

1.3

title

Gaps Table - PRI

information_model_version

1.18.0.0

product_class

Product_Observational

Citation_Information

author_list

Spence, Harlan E.

publication_year

2026

description

GAPS_PRI.TAB is a listing of the number of missing packets from CRaTER Raw Primary Science Data Product files (CRAT_L0_PRI).

Modification_History

Modification_Detail

modification_date

2026-06-14

version_id

1.3

description

This file was a part of the PDS3 archive of CRaTER data when it was migrated to PDS4. Earlier versions exist in the PDS3 archive.

Observation_Area

Time_Coordinates

start_date_time

2009-06-23T15:50:20.71Z

stop_date_time

2026-03-31T23:59:59.01Z

Primary_Result_Summary

purpose

Science

processing_level

Raw

Science_Facets

domain

Heliosphere

discipline_name

Particles

facet1

Ions

facet2

Cosmic Ray

Investigation_Area

name

LRO

type

Mission

Internal_Reference

lid_reference

urn:nasa:pds:context:investigation:mission.lunar_reconnaissance_orbiter

reference_type

data_to_investigation

Observing_System

Observing_System_Component

name

Cosmic Ray Telescope for the Effects of Radiation

type

Instrument

Internal_Reference

lid_reference

urn:nasa:pds:context:instrument:lro.crat

reference_type

is_instrument

Observing_System_Component

name

LRO

type

Host

Internal_Reference

lid_reference

urn:nasa:pds:context:instrument_host:spacecraft.lro

reference_type

is_instrument_host

Target_Identification

name

Moon

type

Satellite

Internal_Reference

lid_reference

urn:nasa:pds:context:target:satellite.earth.moon

reference_type

data_to_target

Discipline_Area

Mission_Information

mission_phase_identifier

Fourth Extended Science Mission

spacecraft_clock_start

0267465020.68

spacecraft_clock_stop

0659038280.43

Particle_Observation

Particle_Parameter

particle_type

Ions

particle_measurement_type

Pulse Height Analysis

Particle_Parameter

particle_type

Ions

particle_measurement_type

Energy Spectra

Reference_List

Source_Product_External

external_source_product_identifier

LRO-L-CRAT-2-EDR-RAWDATA-V1.0

reference_type

data_to_calibrated_source_product

doi

10.17189/1519728

curating_facility

NASA PDS Planetary Plasma Interactions Node

description

This product was migrated from the PDS3 archive to PDS4. The DOI provided references the PDS3 source data set.

File_Area_Observational

File

file_name

GAPS_PRI.TAB

creation_date_time

2025-11-23T14:15:18

file_size

8566

md5_checksum

0d4fed6a2810a62a7937a6aabb902ae5

comment

This text file is unmodified from the PDS3 version.

Table_Character

offset

0

records

67

record_delimiter

Carriage-Return Line-Feed

Record_Character

fields

6

groups

0

record_length

126

Field_Character

name

FILE_NAME

field_number

1

field_location

2

data_type

ASCII_String

field_length

31

description

Name of CRaTER raw data product file.

Field_Character

name

START_TIME

field_number

2

field_location

35

data_type

ASCII_String

field_length

23

description

UTC time of last packet before the data gap (YYYY-MM-DDTHH:MM:SS.SSS).

Field_Character

name

STOP_TIME

field_number

3

field_location

59

data_type

ASCII_String

field_length

23

description

UTC time of first packet after the data gap (YYYY-MM-DDTHH:MM:SS.SSS).

Field_Character

name

SCLK_START

field_number

4

field_location

84

data_type

ASCII_String

field_length

13

description

LRO clock time of last packet before the data gap (NNNNNNNNNN.NN).

Field_Character

name

SCLK_END

field_number

5

field_location

100

data_type

ASCII_String

field_length

13

description

LRO clock time of first packet after the data gap (NNNNNNNNNN.NN).

Field_Character

name

MISSING_PACKETS

field_number

6

field_location

115

data_type

ASCII_Integer

field_length

10

description

Number of CRaTER raw primary science packets missing.