Advanced microwave sounding unit
Instrument characteristics

Advanced microwave sounding unit

Section Title: Instrument characteristics
Table Section Text: None

Channel Number	Frequency (GHz)	Polarization (at nadir)	Number of Bands	Instrument Sensitivity NEDT (K)	Primary Function

1	23.8	vertical	1	0.30	Water Vapor Burden

2	31.4	vertical	1	0.30	Water Vapor Burden

3	50.3	vertical	1	0.40	Water Vapor Burden

4	52.8	vertical	1	0.25	Water Vapor Burden

5	53.596 ± 0.115	horizontal	2	0.25	Tropospheric Temperature

6	54.4	horizontal	1	0.25	Tropospheric Temperature

7	54.94	vertical	1	0.25	Tropospheric Temperature

8	55.5	horizontal	1	0.25	Tropospheric Temperature

9	57.290	horizontal	1	0.25	Stratospheric Temperature

10	57.290 ± 0.217	horizontal	2	0.40	Stratospheric Temperature

11	57.290 ± 0.3222 ± 0.048	horizontal	4	0.40	Stratospheric Temperature

12	57.290 ± 0.3222 ± 0.022	horizontal	4	0.60	Stratospheric Temperature

13	57.290 ± 0.3222 ± 0.010	horizontal	4	0.80	Stratospheric Temperature

14	57.290 ± 0.3222 ± 0.0045	horizontal	4	1.20	Stratospheric Temperature

15	89.0	vertical	1	0.50	Cloud Top/Snow

Sentence(s)

The AMSU has 15 channels between 23.8 and 89 GHz.

final_sentence: The AMSU has 15 channels between 23.8 and 89 GHz.