20 Future Perspectives
467
Sensor
Mission(s)
Spectral Bands
Spatial
Revisit Swath Width
Resolution
Cal!ab.
Panchromatic:
.450-.900 11m
Multspectral:
Panchromatic:
8 km Pan.450-.520 11m
1m
chromatic and
OrbView-4
OrbView-4
.520-.600 11m
Multispectral: 4 < 3 days
Multispectral
.625-.695 11m
m
.760-.900 11m
Hyperspectral: 8
5 kmHyperHyperspectral:
m
spectral
.450-2500 11m
pOO channels}
PAN
IRS Ic
Panchromatic:
Panchromatic
IRS Id
0.5-0.7511 m
5.8m
5 days 70 km mosaic
Sensor
PIC
Panchromatic
NEMO
0.5-0.7 11m
5m
2/5 days
30km
Imaging
Camera
Visible-NIR:
0.443, 0.670 and
POLDER
0.865 11 m at 3
2400 km
Polarization &
polarizations, and
(across track)
Directionality
ADEOS II
0.443,0.49,
6kmx7km
I day
x 1800 km
of the Earth's
0.565,0.763,
(along track)
Reflectance
0.765 and 0.91 11
m with no polarization
POSEIDONI
2 km antenna
SSALT
TOPEXI
Microwave: 13.65
footprint Basic
300 km betSolid State
POSEIDON
GHz
measurement: 11 10 days ween tracks at
Altimeter
sec Raw measuequator
rement: 20 I sec
215 km
Range Resoluti(scanned
PR
Microwave:
on: 250 m Horievery 0.6
Precipitation
TRMM
13.796 and
zontal Resoluti- -5 days
secs) ObserRadar
13.802 GHz
on: 4.3 km at
vable range:
nadir
from surface
to approx 15
km altitude
Panchromatic:
.450-.900 11m
Panchromatic: 1-5 days
Multispectral:
QuickBird 1
QuickBird
.450-.520 11m
1m
depen704km
.520-.600 11m
Multispectral:
ding on
.630-.690 11m
4m
latitude
.760-.890 l!:m
RA
ERS-I
K-band: 13. 8
Radar AltiERS-2
GHz
7km
35 days
NA
meter