comparison
5 articlesSAR vs Optical Satellite Imagery: A Practical Guide to Choosing the Right Sensor
SAR and optical satellites measure fundamentally different things. This guide explains the physics, strengths, and limitations of each — and when to combine them for better results.
2026-02-10 · 6 min read
Browser-Based WebGIS vs. Desktop GIS Software: When Each Approach Makes Sense
Choosing between a browser-based satellite viewer and traditional desktop GIS isn't always obvious. This post compares the two approaches across installation, performance, data access, and common workflows to help you decide.
2026-01-18 · 8 min read
Sentinel-2 vs. Landsat 9: A Practical Comparison for Earth Observation
A detailed comparison of Sentinel-2 and Landsat 9 — spectral bands, resolution, revisit, data access, and which sensor suits which application. Covers harmonization approaches for combined use.
2025-12-27 · 6 min read
Free vs. Commercial Satellite Imagery: What You Actually Get for the Price Difference
Free satellite data from Copernicus and Landsat covers most use cases, but commercial imagery offers higher resolution and faster revisits. This post breaks down what each tier provides and when the upgrade is worth it.
2025-12-22 · 8 min read
Sentinel-1 GRD vs RTC: Which SAR Product Should You Use?
Sentinel-1 data comes in multiple processing levels. GRD is the standard product, while RTC corrects for terrain effects. This guide explains the differences and when each product is the right choice.
2025-07-31 · 6 min read