[[["เข้าใจง่าย","easyToUnderstand","thumb-up"],["แก้ปัญหาของฉันได้","solvedMyProblem","thumb-up"],["อื่นๆ","otherUp","thumb-up"]],[["ไม่มีข้อมูลที่ฉันต้องการ","missingTheInformationINeed","thumb-down"],["ซับซ้อนเกินไป/มีหลายขั้นตอนมากเกินไป","tooComplicatedTooManySteps","thumb-down"],["ล้าสมัย","outOfDate","thumb-down"],["ปัญหาเกี่ยวกับการแปล","translationIssue","thumb-down"],["ตัวอย่าง/ปัญหาเกี่ยวกับโค้ด","samplesCodeIssue","thumb-down"],["อื่นๆ","otherDown","thumb-down"]],[],[],["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"]]