[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThe USGS Landsat 4 MSS Collection 2 provides two tiers of raw scene data: Tier 1 and Tier 2.\u003c/p\u003e\n"],["\u003cp\u003eTier 1 data represents the highest quality Landsat scenes suitable for time-series analysis, including Level-1 Precision Terrain (L1TP) processed data.\u003c/p\u003e\n"],["\u003cp\u003eTier 2 data includes scenes that did not meet Tier 1 criteria, such as Systematic terrain (L1GT) and Systematic (L1GS) processed scenes, along with any L1TP scenes that did not meet Tier 1 standards.\u003c/p\u003e\n"],["\u003cp\u003eBoth tiers offer DN values representing scaled, calibrated at-sensor radiance from the Landsat 4 MSS instrument.\u003c/p\u003e\n"]]],["Landsat 4 MSS Collection 2 data is categorized into Tier 1 and Tier 2. Tier 1 scenes contain the highest quality data suitable for time-series analysis, specifically Level-1 Precision Terrain (L1TP) processed data. Tier 2 includes scenes that do not meet Tier 1 criteria, such as Systematic terrain (L1GT) and Systematic (L1GS) processed scenes. Both tiers contain DN values representing scaled, calibrated at-sensor radiance and are globally available.\n"],null,[]]