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.