Pakistan Space & Upper Atmosphere Research Commission
The National Space Agency of Pakistan

Spectral Characteristics

High-Resolution Instruments
Spot 5 Spot 4 Spot 2 Landsat 5
Instructions 2HRGs 2HRVIRs 2HRVs TM
Special bands and
resolution
Panchormatic (2.5m)
3 multispectral (10m)
1 short-wave infrared (20m)
Panchormatic (10m)
3 multispectral (20m)
1 short-wave infrared (20m)
Panchormatic (10m)
3 multispectral (20m)
7-bands (30 m)
Spectral range P:0.48 – 0.71μm
B1(green): 0.50-0.59 μm
B2(red):0.61-0.68 μm
B3(NIR):0.78-0.89 μm
B4(SWIR):1.58-1.75 μm
M: 0.61-0.68 μm
B1(green): 0.50-0.68 μm
B2(red):0.61-0.68 μm
B3(NIR):0.78-0.89 μm
B4(SWIR):1.58-1.75 μm
P: 0.50-0.73 μm
B1(green): 0.50-0.59 μm
B2(red):0.61-0.68 μm
B3(NIR):0.78-0.89 μm
B1: 0.45-0.52 μm
B2: 0.52-0.60 μm
B3: 0.63-0.69 μm
B4: 0.76-0.90 μm
B5: 1.55-1.75 μm
B4: 10.4-0.90 μm
B4: 2.09-2.35 μm
Imaging swath 60km×60km to 80km 60km×60km to 80km 60km×60km to 80km 185km×185km
Image dynamics 8bits 8bits 8bits 8bits
Absolute location
accuracy (no ground
control points,
flat terrain)
<50m(1ó) <350m(1ó) <350(1ó)
Programmable Yes Yes Yes
Angle of incidence ±31 ±31 ±31
Average revisit interval
over a 26-day
orbital cycle,
depending on
latitude
2 to 3 days 2 to 3 days 2 to 3 days 16 days

 

Stereoscopic Instruments
Spot 5 Spot 4 Spot 2
Instruments HRS
Along-track
stereoviewing
HRG
stereoviewing capability
Across track
HRVIR
stereoviewing capability
Across track
HRV stereoviewing
capability
Across track
Special bands and resolution 1 panchromatic (10m)
(resampled every
5m along track)
=> 10m along track,
5 m across track
2 panchromatic (5m)
combined to
generate a 2.5-meter
product 3 multispectral (10m)
1 short-wave infrared (20m)
1 panchromatic (10m)
3 multispectral
(20m) 1 short-wave
infared (20m)
1 panchromatic (10m)
3 multispectral (20m)
Spectral range P: 0.49-0.69μm
B1 (green): 0.50-0.59 μm
B2(red):0.61-0.68 μm
B3(NIR):0.78-0.89 μm
B4(SWIR):1.58-1.75 μm
P: 0.48-071μm
B1: 0.50-0.59 μm
B2: 0.61-0.68 μm
B3: 0.78-0.89 μm
B4: 1.58-1.75 μm
M: 0.61-0.68 μm
B1: 0.50-0.59 μm
B2: 0.61-0.68 μm
B3: 0.78-0.89 μm
B4: 1.58-1.75 μm
P: 0.50-073 μm
B1: 0.50-0.59 μm
B2: 0.61-0.68 μm
B3: 0.78-0.89 μm
Imaging swath 600km×120km 60km×60km to 80km 60km×60km to 80km 60km×60km to 80km
Image dynamics 8bits 8bits 8bits 8bits
Base/height ratio (B/H) -0.84(±20o) 0.5 to 1.1 0.5 to 1.1 0.5 to 1.1
Absolute ratio accuracy
(no ground control points,
flat terrain)
< 15 m (1ó) < 50 m (1ó) < 350 m (1ó) < 350 m (1ó)
Time between two images 90 seconds (simultaneous) variable variable variable
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