Sensors
SSMI/S Overview
F16 SSMIS Sensor Characteristics
Channel |
Center Freq.(Ghz) |
Passband(Mhz) |
Freq.(MHz)/Polar. |
NEDT(Max)(K) |
Sampling Interval(km) |
Footprint(km) |
1 |
50.3 |
400 |
10 V |
0.4 |
37.5 |
38 x 38 |
2 |
52.8 |
400 |
10 V |
0.4 |
37.5 |
38 x 38 |
3 |
53.596 |
400 |
10 V |
0.4 |
37.5 |
38 x 38 |
4 |
54.4 |
400 |
10 V |
0.4 |
37.5 |
38 x 38 |
5 |
55.5 |
400 |
10 V |
0.4 |
37.5 |
38 x 38 |
6 |
57.29 |
350 |
10 RCP(*) |
0.5 |
37.5 |
38 x 38 |
7 |
59.4 |
250 |
10 RCP |
0.6 |
37.5 |
38 x 38 |
8 |
150 |
1500 |
200 H |
0.88 |
37.5 |
14 x 13 (imager) |
9 |
183.31±6.6 |
1500 |
200 H |
1.2 |
37.5 |
14 x 13 (imager) |
10 |
183.31±3 |
1000 |
200 H |
1.0 |
37.5 |
14 x 13 (imager) |
11 |
183.31±1 |
500 |
200 H |
1.25 |
37.5 |
14 x 13 (imager) |
12 |
19.35 |
400 |
75 H |
0.7 |
25 |
73 x 47 |
13 |
19.35 |
400 |
75 V |
0.7 |
25 |
73 x 47 |
14 |
22.235 |
400 |
75 V |
0.7 |
25 |
73 x 47 |
15 |
37 |
1500 |
75 H |
0.5 |
25 |
41 x 31 |
16 |
37 |
1500 |
75 V |
0.5 |
25 |
41 x 31 |
17 |
91.655 |
3000 |
100 V |
0.9 |
12.5 |
14 x 13 (imager) |
18 |
91.655 |
3000 |
100 H |
0.9 |
12.5 |
14 x 13 (imager) |
19 |
63.283248±0.285271 |
3 |
0.08 RCP |
2.4 |
75 |
75 x 75 |
20 |
60.792668±0.357892 |
3 |
0.08 RCP |
2.4 |
75 |
75 x 75 |
21 |
60.792668±0.357892±0.002 |
6 |
0.08 RCP |
1.8 |
75 |
75 x 75 |
22 |
60.792668±0.357892±0.006 |
12 |
0.12 RCP |
1.0 |
75 |
75 x 75 |
23 |
60.792668±0.357892±0.016 |
32 |
0.34 RCP |
0.6 |
75 |
75 x 75 |
24 |
60.792668±0.357892±0.050 |
120 |
0.84 RCP |
0.7 |
37.5 |
75 x 75 |
F18 SSMIS Sensor Characteristics ( different from F16: first 5 channels are Horizontal )
Channel |
Center Freq.(Ghz) |
Passband(Mhz) |
Freq.(MHz)/Polar. |
NEDT(Max)(K) |
Sampling Interval(km) |
Footprint(km) |
1 | 50.3 | 400 | 10 H | 0.4 | 37.5 | 38 x 38 |
2 | 52.8 | 400 | 10 H | 0.4 | 37.5 | 38 x 38 |
3 | 53.596 | 400 | 10 H | 0.4 | 37.5 | 38 x 38 |
4 | 54.4 | 400 | 10 H | 0.4 | 37.5 | 38 x 38 |
5 | 55.5 | 400 | 10 H | 0.4 | 37.5 | 38 x 38 |
6 | 57.29 | 350 | 10 RCP(*) | 0.5 | 37.5 | 38 x 38 |
7 | 59.4 | 250 | 10 RCP | 0.6 | 37.5 | 38 x 38 |
8 | 150 | 1500 | 200 H | 0.88 | 37.5 | 14 x 13 (imager) |
9 | 183.31±6.6 | 1500 | 200 H | 1.2 | 37.5 | 14 x 13 (imager) |
10 | 183.31±3 | 1000 | 200 H | 1.0 | 37.5 | 14 x 13 (imager) |
11 | 183.31±1 | 500 | 200 H | 1.25 | 37.5 | 14 x 13 (imager) |
12 | 19.35 | 400 | 75 H | 0.7 | 25 | 73 x 47 |
13 | 19.35 | 400 | 75 V | 0.7 | 25 | 73 x 47 |
14 | 22.235 | 400 | 75 V | 0.7 | 25 | 73 x 47 |
15 | 37 | 1500 | 75 H | 0.5 | 25 | 41 x 31 |
16 | 37 | 1500 | 75 V | 0.5 | 25 | 41 x 31 |
17 | 91.655 | 3000 | 100 V | 0.9 | 12.5 | 14 x 13 (imager) |
18 | 91.655 | 3000 | 100 H | 0.9 | 12.5 | 14 x 13 (imager) |
19 | 63.283248±0.285271 | 3 | 0.08 RCP | 2.4 | 75 | 75 x 75 |
20 | 60.792668±0.357892 | 3 | 0.08 RCP | 2.4 | 75 | 75 x 75 |
21 | 60.792668±0.357892±0.002 | 6 | 0.08 RCP | 1.8 | 75 | 75 x 75 |
22 | 60.792668±0.357892±0.006 | 12 | 0.12 RCP | 1.0 | 75 | 75 x 75 |
23 | 60.792668±0.357892±0.016 | 32 | 0.34 RCP | 0.6 | 75 | 75 x 75 |
24 | 60.792668±0.357892±0.050 | 120 | 0.84 RCP | 0.7 | 37.5 | 75 x 75 |
RCP - denotes right-handed circular polarization.
Source: NSIDC SSMIS page
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