[{"data":1,"prerenderedAt":77},["ShallowReactive",2],{"dataset-akebono-pws-spw-data":3,"relation-diagrams-akebono-pws-spw-data":74},{"@context":4,"@type":5,"@id":6,"name":7,"url":14,"version":15,"keywords":16,"license":26,"isAccessibleForFree":28,"distribution":29,"datePublished":34,"temporalCoverage":35,"creator":38,"copyrightHolder":52,"citation":66,"abstract":70,"articleBody":71},"https:\u002F\u002Fschema.org\u002F","Dataset","darts:akebono-pws-spw-data",[8,11],{"@language":9,"@value":10},"ja","あけぼの プラズマ波動＆サウンダー実験（PWS）電離層上層部イオノグラムデータ",{"@language":12,"@value":13},"en","Akebono Plasma Wave ObservaDetectortion and Sounder (PWS) topside ionogram data","https:\u002F\u002Fdarts.isas.jaxa.jp\u002Fdatasets\u002Fdarts:akebono-pws-spw-data","1",[17,18,19,20,21,22,23,24,25],"mission:AKEBONO","mission:EXOS-D","instrument:Plasma Wave Detector and Sounder (PWS)","field:SpacePlasmaPhysics","target:Geospace","target:Aurora","observation:PlasmaWave","observation:Ion","observation:20 kHz -- 11.4 MHz",[27],"https:\u002F\u002Fwww.isas.jaxa.jp\u002Fen\u002Fresearchers\u002Fdata-policy\u002F",true,[30],{"@type":31,"encodingFormat":32,"contentUrl":33},"DataDownload","application\u002Fx-netcdf","https:\u002F\u002Fdata.darts.isas.jaxa.jp\u002Fpub\u002Fakebono\u002Fpws\u002FSPW\u002F","2013",[36,37],"1989-03-20\u002F2000-12-07","2015-01-06\u002F2015-04-19",[39],{"@type":40,"url":41,"sameAs":42,"name":43,"contactPoint":48},"Organization","https:\u002F\u002Fwww.isas.jaxa.jp\u002F","https:\u002F\u002Fror.org\u002F034gcgw60",[44,46],{"@language":12,"@value":45},"ISAS > Institute of Space and Astronautical Science",{"@language":9,"@value":47},"宇宙科学研究所",{"@type":49,"contactType":50,"email":51},"ContactPoint","DARTS help desk","darts-admin@ML.isas.jaxa.jp",[53,61],{"@type":40,"url":54,"sameAs":55,"name":56},"https:\u002F\u002Fwww.jaxa.jp\u002F","https:\u002F\u002Fror.org\u002F059yhyy33",[57,59],{"@language":12,"@value":58},"JAXA > Japan Aerospace Exploration Agency",{"@language":9,"@value":60},"宇宙航空研究開発機構",{"@type":40,"url":41,"sameAs":42,"name":62,"contactPoint":65},[63,64],{"@language":12,"@value":45},{"@language":9,"@value":47},{"@type":49,"contactType":50,"email":51},[67,68,69],"Oya, H. et al. (1990) Journal of Geomagnetism and Geoelectricity - Introduction to the Akebono (EXOS-D) satellite observations. https:\u002F\u002Fdoi.org\u002F10.5636\u002Fjgg.42.367","Oya, H. et al. (1990) Journal of Geomagnetism and Geoelectricity - Plasma wave observation and sounder experiments (PWS) using the Akebono (EXOS-D) satellite — Instrumentation and initial results including discovery of the high altitude equatorial plasma turbulence https:\u002F\u002Fdoi.org\u002F10.5636\u002Fjgg.42.411","Readme https:\u002F\u002Fwww.stp.isas.jaxa.jp\u002Fakebono\u002Freadme\u002Freadme.pws.txt","pub\u002Fakebono\u002Fpws\u002FSPW\u002F\n├── 1989\u002F\n├── 1990\u002F\n├── ...\n└── {YYYY}\u002F\n    ├── 20150106\u002F\n    ├── 20150107\u002F\n    ├── ..\n    └── {YYYYMMDD}\u002F\n         └── ak_h1_pws_spw_{YYYYMMDD}_{hhmmss}_[h3|n2]_v01.cdf",{"@value":72,"@language":12,"encodingFormat":73},"PWS (Plasma Wave Detector and Sounder) onboard the Akebono (EXOS-D) satellite has three sub-systems; i.e. i) a sub-system for natural plasma wave observations (NPW), ii) a sub-system for stimulated plasma wave experiments (SPW) and iii) the instrumentation for measurement of the number density of electron (NEI).\n\nThis dataset contains the topside ionogram data observed by SPW sub-system operated in n2, n3, and h3 modes. The frequency range, number of frequency step, sweep period, range resolution in vacuum, and number of sample data in these mode operations are as follows:\n\n\u003Ctable>\n\u003Ctr>\u003Ctd> Mode \u003C\u002Ftd>\u003Ctd> Frequency range \u003C\u002Ftd>\u003Ctd> Frequency \u003Cbr>steps\u003C\u002Ftd>\u003Ctd> Sweep \u003Cbr>period\u003C\u002Ftd>\u003Ctd> Range \u003Cbr>resolution \u003C\u002Ftd>\u003Ctd> Echo \u003Cbr>samples \u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd> n2\u003C\u002Ftd>\u003Ctd> 20 kHz - 890 kHz\u003C\u002Ftd>\u003Ctd> 256\u003C\u002Ftd>\u003Ctd> 16 sec\u003C\u002Ftd>\u003Ctd> 18 km\u003C\u002Ftd>\u003Ctd> 128\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd> n3\u003C\u002Ftd>\u003Ctd> 20 kHz - 890 kHz\u003C\u002Ftd>\u003Ctd> 256\u003C\u002Ftd>\u003Ctd> 16 sec\u003C\u002Ftd>\u003Ctd> 9 km\u003C\u002Ftd>\u003Ctd> 128\u003C\u002Ftd>\u003C\u002Ftr>\n\u003Ctr>\u003Ctd> h3\u003C\u002Ftd>\u003Ctd> 300 kHz - 11.4 MHz\u003C\u002Ftd>\u003Ctd> 512\u003C\u002Ftd>\u003Ctd> 32 sec\u003C\u002Ftd>\u003Ctd> 9 km\u003C\u002Ftd>\u003Ctd> 128\u003C\u002Ftd>\u003C\u002Ftr>\n\u003C\u002Ftable>\n\n## Data Analysis\nHere, you can find [a TDAS load procedure file for PWS electric field intensity spectrum data](https:\u002F\u002Flegacy.darts.isas.jaxa.jp\u002Fapp\u002Fstp\u002Fakebono\u002Fakb_load_pws.pro). PWS electric field intensity spectrum data analysis becomes available on TDAS with this load procedure. TDAS (THEMIS Data Analysis Software suite) has been developed by THEMIS project. See [TDAS web page](http:\u002F\u002Fthemis.ssl.berkeley.edu\u002Fsoftware.shtml) for details.\n\n\nIf you have any questions or request for the data, please contact [DARTS](https:\u002F\u002Fdarts.isas.jaxa.jp\u002Fen\u002Fcontact).\n\n## Request for using this data\nIn any publications, the use of the Akebono data should be acknowledged, for example,\n\n> \"Akebono\u002FPWS data were provided through DARTS at the Institute of Space and Astronautical Science, JAXA in Japan.\"","text\u002Fmarkdown",{"ja":75,"en":76},"graph LR\n classDef this fill:#ffa23e\n  darts:akebono-pws-spw-data[\"あけぼの プラズマ波動＆サウンダー実験（PWS）電離層上層部イオノグラムデータ\"]:::this\nclick darts:akebono-pws-spw-data href \"\u002Fdatasets\u002Fdarts:akebono-pws-spw-data\"\n","graph LR\n classDef this fill:#ffa23e\n  darts:akebono-pws-spw-data[\"Akebono Plasma Wave ObservaDetectortion and Sounder (PWS) topside ionogram data\"]:::this\nclick darts:akebono-pws-spw-data href \"\u002Fdatasets\u002Fdarts:akebono-pws-spw-data\"\n",1789713907431]