The satellite imaging systems at a glance

SPOT series:

spatial resolution: 10m and 15 m

spectral resolution: 3 multispectral & 1 panchromatic wavebands

swathe width: 60 kilometres

revisit time: 26 days
lifetime: 1986-present

Landsat series:

MSS
spatial resolution: 80 m
spectral resolution: 4 multispectral wavebands
swathe width: 185 kilometres
revisit time: 18/16 days
lifetime: 1972-present

Landsat TM

spatial resolution: 30 m
spectral resolution: 7 multispectral wavebands
swathe width: 185 kilometres
revisit time: 16 days
lifetime: 1983-present.

NOAA series

AVHRR
spatial resolution: 1100 m
spectral resolution: 4/5 multispectral wavebands
swathe width: 2700 kilometres
revisit time: 1 day
lifetime: 1978-present.