[{"data":1,"prerenderedAt":87},["ShallowReactive",2],{"dataset-viking-nssdc-data":3,"relation-diagrams-viking-nssdc-data":84},{"@context":4,"@type":5,"@id":6,"name":7,"url":14,"version":15,"keywords":16,"license":22,"isAccessibleForFree":24,"distribution":25,"datePublished":29,"temporalCoverage":30,"creator":31,"copyrightHolder":53,"contributor":67,"citation":76,"abstruct":80,"articleBody":81},"https:\u002F\u002Fschema.org\u002F","Dataset","darts:viking-nssdc-data",[8,11],{"@language":9,"@value":10},"ja","バイキング NSSDC提供 火星地震データ",{"@language":12,"@value":13},"en","Viking seismic data from NSSDC","https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002F","N\u002FA",[17,18,19,20,21],"mission:VIKING","instrument:Seismometer","field:PlanetaryScience","target:Mars","observation:seismic",[23],"https:\u002F\u002Fwww.isas.jaxa.jp\u002Fen\u002Fresearchers\u002Fdata-policy\u002F",true,[26],{"@type":27,"encodingFormat":28,"contentUrl":14},"DataDownload","text\u002Fplain","2015","1976-09-03\u002F1978-03-29",[32,41],{"@type":33,"url":34,"sameAs":35,"name":36},"Organization","https:\u002F\u002Fweb.mit.edu\u002F","https:\u002F\u002Fror.org\u002F042nb2s44",[37,39],{"@language":12,"@value":38},"MIT > Massachusetts Institute of Technology",{"@language":9,"@value":40},"マサチューセッツ工科大学",{"@type":33,"url":42,"sameAs":43,"name":44,"contactPoint":49},"https:\u002F\u002Fwww.isas.jaxa.jp\u002F","https:\u002F\u002Fror.org\u002F034gcgw60",[45,47],{"@language":12,"@value":46},"ISAS > Institute of Space and Astronautical Science",{"@language":9,"@value":48},"宇宙科学研究所",{"@type":50,"contactType":51,"email":52},"ContactPoint","DARTS help desk","darts-admin@ML.isas.jaxa.jp",[54,62],{"@type":33,"url":55,"sameAs":56,"name":57},"https:\u002F\u002Fwww.jaxa.jp\u002F","https:\u002F\u002Fror.org\u002F059yhyy33",[58,60],{"@language":12,"@value":59},"JAXA > Japan Aerospace Exploration Agency",{"@language":9,"@value":61},"宇宙航空研究開発機構",{"@type":33,"url":42,"sameAs":43,"name":63,"contactPoint":66},[64,65],{"@language":12,"@value":46},{"@language":9,"@value":48},{"@type":50,"contactType":51,"email":52},[68],{"@type":33,"url":69,"sameAs":70,"name":71},"https:\u002F\u002Fwww.nasa.gov\u002Fgoddard\u002F","https:\u002F\u002Fror.org\u002F0171mag52",[72,74],{"@language":12,"@value":73},"GSFC > NASA Goddard Space Flight Center",{"@language":9,"@value":75},"GSFC > NASA ゴダード宇宙飛行センター",[77,78,79],"[1] A Brief Overview of an NSSDC Archival Information Package (AIP)","[2] Simonsen, K (1992) Network Working Group Request for Comments - RFC 1345 Character Mnemonics & Character Sets https:\u002F\u002Fdoi.org\u002F10.17487\u002FRFC1345","[3] #410 VIKING LANDER 2 SEISMIC EDR-2 75-083C-08A 75-083C-08B https:\u002F\u002Fspdf.gsfc.nasa.gov\u002Fpub\u002Fdocuments\u002Fold\u002Fdocumentation_from_nssdc\u002Fold_data_doc\u002Fall_catalogs\u002Fdsc_0410.pdf","pub\u002Fviking\u002Fnssdc\u002F\n└── PSPG-00070\u002F\n    ├── preformat\u002F\n    │   ├── PSPG-00070_{DD}029661_04-SEP-76\u002F\n    │   │   └── {DD}029661_F*.txt\n    │   ├── PSPG-00070_{DD}030688_02-DEC-76\u002F\n    │   │   └── {DD}030688_F*.txt\n    │   ├── PSPG-00070_{DD}030689_10-SEP-76\u002F\n    │   │   └── {DD}030689_F*.txt\n    │   ├── ...\n    │   └── PSPG-00070_{DD}032691_05-JAN-78\u002F\n    │       └── {DD}032691_F*.txt\n    └── reformat\u002F\n        ├── {DD}029661_F1\u002F\n        │   └── .txt\n        ├── {DD}029661_F2\u002F\n        ├── ...\n        ├── {DD}029661_FN\u002F\n        ├── {DD}030688_F1\u002F\n        │   └── .txt\n        ├── {DD}030688_F2\u002F\n        ├── ...\n        ├── {DD}030688_FN\u002F\n        ├── ...\n        └── {DD}032691_F1\u002F\n            └── .txt\n",{"@value":82,"@language":12,"encodingFormat":83,"@type":83},"This dataset the Viking seismic data based on EDR-2 Tape data archived at [the National Space Science Data Center (NSSDC)](https:\u002F\u002Fspdf.gsfc.nasa.gov\u002Fpub\u002F), consists of Seismic Data Record Format Program (PSPG-00472) and Seismic Data Records (PSPG-00070).\n\nPSPG-00472 is a program to convert from Science Analysis of Seismometer Data (SASEIS) Tape to ASCII data, and PSPG-00070 is the converted ASCII data:\n\n- NSSDC ID: PSPG-00472 ... Seismic Data Record Format Program\n- NSSDC ID: PSPG-00070 ... Seismic Data Records\n\nThese data are archived as NSSDC Archival Information Package (AIP) [1], and a user must interpret the AIP structure to access the program and data referencing AIP attributes.\n\n## Seismic Data Record Format Program (PSPG-00472)\n\nThe PSPG-00472 is a PL\u002FI program to convert from SASEIS EDR Tapes to ASCII data (PSPG-00070). The PSPG-00472 is a text file in not ASCII code but EBCDIC-US code [2]. The program 'dat2pl1.c' is a program in C to obtain the PL\u002FI program from PSPG-00472. This program interprets NSSDC AIP structure and converts EBCDIC-US code to ASCII code.\n\n- [dat2pl1.c](https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002FPSPG-00472\u002Fdat2pl1.c) ... sample program to convert from PSPG-00472 to PL\u002FI source code\n\n  Compile:\n  ``` \n  $ gcc -o dat2pl1 dat2pl1.c\n  ```\n  Execution:\n  ```\n  $ tar xvf (somewhere)\u002FPSPG-00472_DD029660.tar\n  $ .\u002Fdat2pl1 PSPG-00472_DD029660.dir\u002FDD029660_F1.DAT\n  ```\n\n- [EDRFMT](https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002FPSPG-00472\u002Fedrfmt.pli) ... extracted PL\u002FI program\n\nSee also [Seismic Data Record Format Program](https:\u002F\u002Fnssdc.gsfc.nasa.gov\u002Fnmc\u002Fdataset\u002Fdisplay.action?id=PSPG-00472).\n\n\n## Seismic Data Records (PSPG-00070)\n\nSeismic Data Records is the actual data obtained by the Viking Lander 2 seismometer. The detail format description is written in Viking Lander 2 Seismic EDR-2 [3]. Note that two characters '¬' and '|' are lost in the original ASCII data, which means the extracted ASCII data are not correctly restored even if the AIP structure is correctly interpreted. These two characters are used to describe the length of line. The 'preformat.pl' program recovers these lost characters considering line pattern and generates pre-formatted ASCII data. '¬' does not exist in ASCII code, '∧' is used in the pre-formatted ASCII data instead. The pre-formatted ASCII data follows EDR-2 documents, but it is difficult to use without reformatting. The program 'reformat.pl' performs the conversion to a user-friendly ASCII format.\n\n- [preformat.pl](https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002FPSPG-00070\u002Fpreformat\u002Fpreformat.pl.txt)\n- [reformat.pl](https:\u002F\u002Fdarts.isas.jaxa.jp\u002Fmissions\u002Fviking\u002Fsrc\u002Freformat.pl.txt)\n\n  Command example:\n  ```\n  $ tar zxvf (somewhere)\u002FPSPG-00070_DD029661_04-SEP-76.tar\n  $ .\u002Fpreformat \u003C PSPG-00070_DD029661_04-SEP-76.dir\u002FDD029661_F1.DAT | .\u002Freformat.pl\n  ```\n\n- [Pre-formatted ASCII Data](https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002FPSPG-00070\u002Fpreformat\u002F)\n- [Pre-formatted ASCII Data (Separated version by each buffer)](https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002FPSPG-00070\u002Fseparate\u002F)\n- [Re-formatted ASCII Data](https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fviking\u002Fnssdc\u002FPSPG-00070\u002Freformat\u002F)\n\nThe following files are not correctly converted:\n- DD031190_F1.DAT ... Remove invalid characters at the head of the file.\n- DD032029_F1.DAT ... Data start at the middle of the buffer (Buffer Number 1310).\n- DD032352_F1.DAT ... Data start at the middle of the buffer (Buffer Number 1000).\n- DD032357_F1.DAT ... Data start at the middle of the buffer (Buffer Number 1010).\n- DD032671_F1.DAT ... Data start at the middle of the buffer (Buffer Number 1000).\n- DD032675_F1.DAT ... Data start at the middle of the buffer (Buffer Number 1710).\n- DD032681_F1.DAT ... Data start at the middle of the buffer (Buffer Number 1010).\n\nSee also [Seismic Data Records](https:\u002F\u002Fnssdc.gsfc.nasa.gov\u002Fnmc\u002Fdataset\u002Fdisplay.action?id=PSPG-00070).\n\n## Relationship between data and softwares\n\n\u003Cimg src=\"https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fmetadata\u002Fassets\u002Fdatasets\u002Fviking-nssdc-data_vl2_edr2_processing.png\" \u002F>\n","markdown",{"ja":85,"en":86},"graph LR\n classDef this fill:#ffa23e\n  darts:viking-nssdc-data[\"バイキング NSSDC提供 火星地震データ\"]:::this\nclick darts:viking-nssdc-data href \"\u002Fdatasets\u002Fdarts:viking-nssdc-data\"\n","graph LR\n classDef this fill:#ffa23e\n  darts:viking-nssdc-data[\"Viking seismic data from NSSDC\"]:::this\nclick darts:viking-nssdc-data href \"\u002Fdatasets\u002Fdarts:viking-nssdc-data\"\n",1780296772724]