A Brief History of SAR Systems (5)

Apollo Lunar Sounder System: The first multispectral SAR used in space was this instrument, launched aboard Apollo 17. Since its primary purpose was for subsurface sounding, the depression angle was too steep for lunar terrain modeling.

Apollo Lunar Sounder System: The first multispectral SAR used in space was this instrument, launched aboard Apollo 17. Since its primary purpose was for subsurface sounding, the depression angle was too steep for lunar terrain modeling.