Table 1. List of SAR satellites launched since 2010

Satellite Country Launch Lifetime Wave-length Purpose
RISAT-1 India 2012 ≥ 5 years C Land observation
KOMPSAT-5 South Korea 2013 ≥ 7 years X Land observation
ALOS-2 Japan 2014 ≥ 7 years L Land observation
Sentinel-1 Europe 2014 ≥ 7 years C All-weather ocean and land high resolution multi-purpose observation
SAOCOM Argentina 2018 ≥ 5 years L Hydrology and land observation
RCM Canada 2019 ≥ 7 years C Multi-purpose SAR observation, expecially for ice
NISAR USA / India 2023 planned ≥ 3 years L / S High-resolution all-weather imagery of ocean and land, especially suited for soil moisture
BIOMASS Europe 2023 planned ≥ 5 years P To quantify the forest biomass, the extend of forest and deforested areas and the delimitation of flooded forests
TanDEM-L Germany 2023 ≥ 5 years L All-weather land observation, in-cluding surveillance and emergency management
Capella USA 2018 ≥ 3 years X All-weather high-resolution land observation; sea-ice
ICEYE Finland 2018 ≥ 2 years X All-weather high-resolution land observation; sea-ice
SAR, synthetic aperture radar.