Level-1 (TOA) vs. Level-2 (BOA): Picking the Right Input for Analytics
2025-08-17
What top-of-atmosphere and bottom-of-atmosphere really mean, why L2A is computed from L1C, and when ML or analytics should use L1 vs L2.
Tag: NRT
Articles about NRT across Sentinel-2, SAR+optical fusion, indices, and EO workflows.
Winter and High-Latitude Monitoring: Snow, Low Sun, and Aerosols
2025-08-15
Why optical imagery struggles in northern winters, how Sentinel-1 SAR helps, and the processing choices that make or break time-series.
Near Real-Time vs Near-Now: What Timeliness Means in Satellite Data
2025-08-13
Clear definitions for near real-time, near-now, and daily batch. How data moves from sensor to analytics, why hours matter, and how to measure timeliness without losing integrity.