Advanced Microwave Instruments

 

AMSU-A

AMSU-B

AMSR-E

HSB

AMSR

WINDSAT

SSMIS

MHS

Orbit /km

830-870

830-870

705

705

803

830

830

830 870

Scan geometry

Cross track

Cross track

Conical

Cross track

Conical

Conical

Conical

Cross track

Agency /

Producer

NOAA/

Aerojet

NOAA/

Matra

Marconi

NASDA/

Mitsubishi

NASA & AEB/

INPE

NASDA/

Mitsubishi

US Navy & NPOESS/

NRL

US DoD / Aerojet

EUMETSAT

 

Channel frequencies / GHz

23.8, 31.4, 50.3, 52.8, 53.6, 54.4, 54.9, 55.5, 57.3 (6 chs), 89.0

89.0,

150.0,

183.3 (3 chs)

6.925,10.65,18.7, 23.8, 36.5,89.0 (all V&H pol)

150.0,

183.3 (3 chs)

6.92,10.65,

18.7, 23.8, 36.5, 89.0

(all V&H pol)

50.3 and 52.8

(V only)

6.8, 10.7, 18.7, 23.8 37.0 (10.7, 18.7 and 37

polarimetric)

19.35(V&H), 22.24(V), 37.0 (V&H), 50.359.4 (H),91.66(V), 150.0(H), 183.31(H)

89.0,157.0

183.3 (2 chs)

190.0

Antenna

Diameter / m

0.2

0.2

1.6

0.2

2.0

1.83

0.6

0.2

Primary Aim

T(z)

q(z)

Precipitation,CLW,

TPW.

Also SSWS, SST

q(z)

Precipitation,

CLW, TPW.

Also SSWS, SST

SSWS and

SSWD

T(z), q(z), SSWS,TPW,

CLW

q(z)

FOV sample-1 :

Lowest freq.

Highest freq.

 

40 40 km

 

16 16km

 

4375 km

3.55.9 km

 

13.513.5km

 

4070 km

36 km

 

4070 km

6 12 km

 

4674km

1316km

 

1616 km

Sampling density per 50km square

At highest and lowest frequencies

 

1.5

 

9.8

 

 

L:0.8

H: 120

 

13.7

 

L: 0.9

H: 138.9

 

L:0.9

H:35

 

L: 0.7

H: 12.0

 

10

Power

101W

90W

<465W

56W

400W

32W

135W

95W

Mass

91kg

60kg

314kg

51kg

340kg

30kg

96kg

65kg

Platform

NOAA K, L,M

Aqua and

METOP

NOAA K, L, M

Aqua

Aqua

ADEOS II

DoD Coriolis

DMSP F-16, F-17

NOAA-N,-N and METOP-1,-2 ,-3

Launch Date

May 1998

May 1998

May 2002

May 2002

Dec. 2002

Jan. 2003

May 2003

2003

Science Data rate

2 kbps

60kbps

<125kbps

4.2 kbps

130 kbps

174kbps

14.2 kbps

N/A

 

 

 

 

 

 

 

 

 

 

 

ATMS

CMIS

SAPHIR

MADRAS

Aquarius

SMOS

EGPM

GMI

Orbit /km

824

833

867

867

N/A

757

635

400

Scan geometry

Cross track

Conical

Cross track

conical

Off-nadir at 23.3, 33.7, 41.7 incidence

Cross track

conical

Conical

Agency /

Producer

NPOESS/

BAE systems & Aerojet

NPOESS/

Boeing Satellite

Systems

CNES

CNES & ISRO/

Astrium

NASA

ESA/

N/A

ESA/

N/A

NASA/

N/A

Channel frequencies /

GHz

23.8, 31.4 50.357.3, 87.091.9, 164167,

183 (5 chs)

10.65, 18.7,36.5 (polarimetric), 50.359.9 (9 chs),

60.4 (5 chs),89,166,

183 (3 chs)

183 (H) (*6 )

19 (V&H)

23 (V)

37 (V&H)

85 (V&H)

150 (V&H)

 

1.4

1.4

 

18.7, 23.8, 36.5, 69.0, 157.0 (all V&H except 23.8(V)) & optionally: 10.7, 50.0 55.0 (4 chs), 118.75 (4 chs)

10.65,18.7, 21.3,

37.0, 89.0

(all V&H)

183 TBD

Antenna

Diameter / m

0.6

2.2

0.2m

N/A

4

4.5

1.2m

N/A

Primary Aim

T(z), q(z)

T(z),q(z),

SSWS, SSWD,

soil moisture

q (z)

Precipitation and

q(z)

SSS

Soil Moisture

and SSS

Precipitation

Precipitation

FOV sample-1 :

Lowest freq.

Highest freq.

 

7070 km

15.815.8 km

 

4040 km

1.61.6 km

 

11.313.3km

 

 

56km56km

7.37.3km

 

<100100km

 

<5050km

 

2626km

5.55.5km

 

N/A

Sampling density

per 50km square

At highest and lowest frequencies

 

L:0.3

H:10.0

 

L: 1.6

H:976

 

 

17

 

 

 

L: 0.8

H: 47

 

>0.25

 

 

<1.0

 

 

L: 4

H:83

 

 

N/A

Power

98W

340W

30W

N/A

291W

N/A

55W

101W

Mass

73 kg

257kg

18kg

N/A

247 Kg

<175kg

56kg

88kg

Platform

NPP and

NPOESS

NPOESS

Mega -Tropiques

Mega -Tropiques

NASA

Pathfinder

ESA Earth Explorer

ESA Earth

Explorer

NASA

GPM

Launch Date

2005

2009

2006

2006

2007

2007

2007

2008

Science Data rate

50 kbps

280 kbps

N/A

N/A

5 kbps

N/A

64kbps

15kbps