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**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** |

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