Likely answer edit

ETM+ (Enhanced Thematic Mapper Plus) vs. TM — major changes (Landsat 7):

  • Adds a panchromatic band (0.52 – 0.90 µm) at 15 m — enables pan-sharpening.
  • Thermal improved from 120 m to 60 m.
  • Other VSWIR bands unchanged at 30 m.
ETM+ band Wavelength Resolution
1 (Blue) 0.45 – 0.52 µm 30 m
2 (Green) 0.52 – 0.60 µm 30 m
3 (Red) 0.63 – 0.69 µm 30 m
4 (NIR) 0.76 – 0.90 µm 30 m
5 (SWIR-1) 1.55 – 1.75 µm 30 m
7 (SWIR-2) 2.08 – 2.35 µm 30 m
6 (Thermal) 10.4 – 12.5 µm 60 m
PAN 0.52 – 0.90 µm 15 m