MIS

Microwave Imager/Sounder

Satellites

NPOESS 2 to 4

Status

Being designed – To be utilised in the period: 2016 to ~ 2029

Mission

Multi-purpose MW imager with temperature/humidity sounding channels for improved precipitation

Instrument type

19-frequency, 33-channel MW radiometer

Scanning technique

Conical: 55° zenith angle; swath: 1700 km - Scan rate: 40 scan/min = 10 km/scan

Coverage/cycle

Global coverage once/day

Resolution (constant)

Changing with frequency, consistent with antenna diameters of 1.8 m

Resources

Mass: … kg - Power: … W - Data rate: … kbps

Central frequency (GHz)

Bandwidth (MHz)

Polarisations (*)

Accuracy (NEΔT)

IFOV

Pixel

6.80

350

V, H

........ K

42 x 70 km

40 x 10 km

10.65

100

V, H, R, L

........ K

26 x 44 km

20 x 10 km

18.70

200

V, H, P, M, L, R

........ K

12 x 20 km

10 x 10 km

23.80

400

V, H

........ K

12 x 20 km

10 x 10 km

36.50

1500

V, H, P, M

........ K

7.8 x 13 km

10 x 10 km

50.300

400

V

........ K

5.1 x 8.5 km

10 x 10 km

52.240

400

V

........ K

5.1 x 8.5 km

10 x 10 km

53.570

400

V

........ K

5.1 x 8.5 km

10 x 10 km

54.380

400

V

........ K

5.1 x 8.5 km

10 x 10 km

54.905

400

V

........ K

5.1 x 8.5 km

10 x 10 km

55.490

400

V

........ K

5.1 x 8.5 km

10 x 10 km

56.660

400

V

........ K

5.1 x 8.5 km

10 x 10 km

59.380

400

V

........ K

5.1 x 8.5 km

10 x 10 km

59.940

400

V

........ K

5.1 x 8.5 km

10 x 10 km

89.0

4000

V, H

........ K

42 x 70 km

40 x 10 km

166

1500

V

........ K

26 x 44 km

20 x 10 km

183.31 ± 7.0

1500

V

........ K

12 x 20 km

10 x 10 km

183.31 ± 3.0

1000

V

........ K

12 x 20 km

10 x 10 km

183.31 ± 1.0

500

V

........ K

7.8 x 13 km

10 x 10 km

(*) Polarisations: H = horizontal, V = vertical, P = + 45°, M = - 45°, L = left-hand circular, R = right-hand circular