WMO OSCAR | Gap analyses by variable or by type of mission or by WIGOS subcomponent

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Gap analyses by variable or by type of mission or by WIGOS subcomponent

Please select either a variable or a type of mission to display a time chart of satellite instruments having the potential to provide the corresponding measurements. The selection is based on design characteristics (Expert analysis) or declared mission objectives (Simplified analysis). Such a preliminary analysis does not replace a detailed assessment of the actual instrument performances, data availability, and quality of derived environmental data records against specific user requirements.

Note: The chart can be sorted by clicking on the header columns and filtered by instrument properties when applicable. Select the period of interest with the cursor at the bottom of the chart. Future missions which are not firmly planned are shaded with stripes. A warning icon () indicates degraded satellite: hover over the icon for details. The chart is followed by a table of all potentially relevant instruments.

Select a variable

or select a type of mission

Select WIGOS subcomponents

Subcomponent 1

Subcomponent 2

Subcomponent 3

Subcomponent 4

Instrument types

ECT range

Orbit types

Longitude range

Analysis

Expert system, based on instrument properties Help icon

Simplified, based on mission objectives Help icon

In "Simplified" mode, the results in the analysis are calculated by looking at each instrument's mission objectives: for each instrument we keep track of what the primary, secondary, and opportunity mission objectives are. These mission objectives indicate that an instrument is primarily envisioned to measure variable X, Y and Z, that variables A, B and C are its secondary objective, and that it may offer the opportunity to measure variables I and II although it is not optimized for that. The simplified Gap analysis produces a timeline based on this information. The simplified Gap analysis is only available for analyzing variables, not for missions.

In "Expert system" mode, the results in the analysis are calculated with an expert system. Internally, OSCAR works with a large set of 1700 rules that determine whether or not an instrument is capable of measuring a given variable, and to what degree. When you select "Expert system", the Gap analysis is performed based on this large set of rules.

Variable sorting criteria

	Each instrument is assigned with a 5-step rating, evaluated as a blend of several elements such as the uncertainty, the vertical resolution, and the frequency and spatial resolution of the retrieved measurement in comparison with the space-time variability of the geophysical parameter. For this particular Variable, the rating is driven by: the observing principle (lidar, radiometry) the spectral range (UV, VIS, TIR). RATING CRITERIA:
1	Differential Absorption Lidar
2	UV and possibly VIS spectrometer
3	TIR spectrometer UV spectroradiometer
4	UV radiometer flown in L1 UV radiometer
5	TIR radiometer

Measurement timeline for O3 Total Column

Definition:

2D field of total amount of O3 molecules per unit area in an atmospheric column extending from the Earth’s surface to the upper edge of the atmosphere (Dobson units).

Hint: Move around in the timeline by scrolling up, down, left or right.

Found 164 results

This table has a large number of results.

Hide lower rated instruments

Hide inactive instruments

Instrument	NRT?	Relevance	Satellite	Orbit	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	2027	2028	2029	2030	2031	2032	2033	2034	2035	2036	2037	2038	2039	2040	2041	2042	2043	2044	2045
GEMS		2 - very high	GEO-KOMPSAT-2B	128.2°E																																																			X	X	X	X	X	X	X	X	X	X	X	X
Sentinel-4		2 - very high	MTG-S1	0°																																																							X	X	X	X	X	X	X	X	X
Sentinel-4		2 - very high	MTG-S2	0°																																																																	X	X	X	X	X	X	X	X	X
TEMPO		2 - very high	TEMPO	91°W																																																						X	X	X
ACS-nadir		2 - very high	Meteor-MP N1	15:30 asc																																																								X	X	X	X	X	X	X	X
ACS-nadir		2 - very high	Meteor-MP N2	09:30 desc																																																									X	X	X	X	X	X	X	X
EMI		2 - very high	GF-5	13:30 asc																																																	X	X	X
EMI		2 - very high	GF-5-02	13:30 asc																																																				X	X	X	X	X	X	X	X
EMI-2		2 - very high	DQ-1	13:00 asc																																																					X	X	X	X	X	X	X	X	X
EMI-2		2 - very high	DQ-2	13:00 asc																																																								X	X	X	X	X	X	X	X	X
GOME		2 - very high	ERS-2	10:30 desc																										X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
GOME-2	No	2 - very high	Metop-A	07:50 desc																																					X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
GOME-2	Yes	2 - very high	Metop-B	09:31 desc																																											X	X	X	X	X	X	X	X	X	X	X	X	X
GOME-2	Yes	2 - very high	Metop-C	09:31 desc																																																	X	X	X	X	X	X	X	X	X	X
OMI		2 - very high	Aura	13:40 asc																																			X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
OMS-nadir		2 - very high	FY-3F	10:00 desc																																																					X	X	X	X	X	X	X
SCIAMACHY-nadir		2 - very high	Envisat	10:00 desc																																	X	X	X	X	X	X	X	X	X	X	X
Sentinel-5		2 - very high	Metop-SG-A2	09:30 desc																																																														X	X	X	X	X	X	X	X
Sentinel-5		2 - very high	Metop-SG-A3	09:30 desc																																																																					X	X	X	X	X	X	X	X
Sentinel-5		2 - very high	Metop-SG-A1	09:30 desc																																																							X	X	X	X	X	X	X	X
TROPOMI		2 - very high	Sentinel-5P	13:30 desc																																																X	X	X	X	X	X	X	X
HySICS		2 - very high	ISS CLARREO-PF	51.6 °																																																						X	X
OMPS-nadir	Yes	2 - very high	NOAA-20	13:25 asc																																																X	X	X	X	X	X	X	X
OMPS-nadir		2 - very high	JPSS-2	13:30 asc																																																					X	X	X	X	X	X	X	X
OMPS-nadir	Yes	2 - very high	SNPP	13:25 asc																																										X	X	X	X	X	X	X	X	X	X	X	X	X
OMPS-nadir		2 - very high	JPSS-3	13:30 asc																																																										X	X	X	X	X	X	X	X
OMPS-nadir		2 - very high	JPSS-4	13:30 asc																																																															X	X	X	X	X	X	X	X
IASI-NG		3 - high	Metop-SG-A2	09:30 desc																																																														X	X	X	X	X	X	X	X
IASI-NG		3 - high	Metop-SG-A3	09:30 desc																																																																					X	X	X	X	X	X	X	X
IASI-NG		3 - high	Metop-SG-A1	09:30 desc																																																							X	X	X	X	X	X	X	X
TES-nadir		3 - high	Aura	13:40 asc																																			X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
IMG		3 - high	ADEOS	10:30 desc																											X	X
IASI	No	3 - high	Metop-A	07:50 desc																																					X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
IASI	Yes	3 - high	Metop-B	09:31 desc																																											X	X	X	X	X	X	X	X	X	X	X	X	X
IASI	Yes	3 - high	Metop-C	09:31 desc																																																	X	X	X	X	X	X	X	X	X	X
IKFS-3		3 - high	Meteor-MP N1	15:30 asc																																																								X	X	X	X	X	X	X	X
IKFS-3		3 - high	Meteor-MP N2	09:30 desc																																																									X	X	X	X	X	X	X	X
TANSO-FTS	No	3 - high	GOSAT	13:00 desc																																								X	X	X	X	X	X	X	X	X	X	X	X	X	X
TANSO-FTS/2		3 - high	GOSAT-2	13:00 desc																																																	X	X	X	X	X	X
GIIRS	Yes	3 - high	FY-4A	104.7°E																																															X	X	X	X	X	X	X	X
GIIRS		3 - high	FY-4B	123.5°E																																																				X	X	X	X	X	X	X	X
GIIRS		3 - high	FY-4C	86.5°E																																																							X	X	X	X	X	X	X	X
GIIRS		3 - high	FY-4D	105°E																																																									X	X	X	X	X	X	X	X
GIIRS		3 - high	FY-4E	86.5°E																																																										X	X	X	X	X	X	X	X
GIIRS		3 - high	FY-4F	105°E																																																													X	X	X	X	X	X	X	X
GIIRS		3 - high	FY-4G	86.5°E																																																																X	X	X	X	X	X	X	X
IRFS-GS		3 - high	Electro-M N1	14.5°W																																																								X	X	X	X	X	X	X	X	X	X	X
IRFS-GS		3 - high	Electro-M N2	76°E																																																									X	X	X	X	X	X	X	X	X	X	X
IRFS-GS		3 - high	Electro-M N3	165.8°E																																																												X	X	X	X	X	X	X	X	X	X	X
IRS		3 - high	MTG-S1	0°																																																							X	X	X	X	X	X	X	X	X
IRS		3 - high	MTG-S2	0°																																																																	X	X	X	X	X	X	X	X	X
AIRS	Yes	3 - high	Aqua	13:30 asc																																	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
CrIS	Yes	3 - high	NOAA-20	13:25 asc																																																X	X	X	X	X	X	X	X
CrIS		3 - high	JPSS-2	13:30 asc																																																					X	X	X	X	X	X	X	X
CrIS	Yes	3 - high	SNPP	13:25 asc																																										X	X	X	X	X	X	X	X	X	X	X	X	X
CrIS		3 - high	JPSS-3	13:30 asc																																																										X	X	X	X	X	X	X	X
CrIS		3 - high	JPSS-4	13:30 asc																																																															X	X	X	X	X	X	X	X
HIRAS	Yes	3 - high	FY-3D	13:29 asc																																																X	X	X	X	X	X
HIRAS-2		3 - high	FY-3E	05:40 desc																																																				X	X	X	X	X	X	X
HIRAS-2		3 - high	FY-3H	14:00 asc																																																						X	X	X	X	X	X	X
HIRAS-2		3 - high	FY-3F	10:00 desc																																																					X	X	X	X	X	X	X
HIRAS-2		3 - high	FY-3J	05:00 desc																																																										X	X	X	X	X	X	X	X	X
IKFS-2		3 - high	Meteor-M N2	09:30 asc																																													X	X	X	X	X	X	X	X	X
IKFS-2		3 - high	Meteor-M N2-1	15:09 asc																																																X
IKFS-2		3 - high	Meteor-M N2-2	15:00 asc																																																		X	X	X	X	X	X
IKFS-2		3 - high	Meteor-M N2-3	09:00 desc																																																					X	X	X	X	X	X
IKFS-2		3 - high	Meteor-M N2-4	15:00 asc																																																						X	X	X	X	X	X
IKFS-2		3 - high	Meteor-M N2-5	15:00 desc																																																							X	X	X	X	X	X
IKFS-2		3 - high	Meteor-M N2-6	09:00 asc																																																								X	X	X	X	X	X
FSI		3 - high	FORUM	09:30 desc																																																										X	X	X	X	X
Ozonometer-3		3 - high	Zond-M	TBD																																																								X	X	X	X
Ozonometer-TM		3 - high	Ionosphera-M N1 & N2	TBD																																																					X	X	X	X
Ozonometer-TM		3 - high	Ionosphera-M N3 & N4	TBD																																																						X	X	X	X
BUV		3 - high	Nimbus-4	12:00 desc	X	X	X	X	X	X	X	X	X	X	X
SBUS		3 - high	FY-3A	09:05 desc																																							X
SBUS		3 - high	FY-3B	14:45 asc																																									X	X	X	X	X	X	X	X	X	X	X
SBUS		3 - high	FY-3C	08:20 desc																																												X	X	X	X	X	X	X	X
SBUV		3 - high	Nimbus-7	12:00 desc									X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-9	14:30 asc															X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-10	07:30 desc																	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-11	14:10 asc																			X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-13	14:00 asc																								X
SBUV/2		3 - high	NOAA-14	09:30 desc																									X	X	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-16	09:01 desc																															X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-17	07:03 desc																																	X	X	X	X	X	X	X	X	X	X	X	X
SBUV/2		3 - high	NOAA-18	08:05 desc																																				X	X	X	X	X	X	X	X
SBUV/2	Yes	3 - high	NOAA-19	07:29 desc																																								X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
TOMS		3 - high	ADEOS	10:30 desc																											X	X
TOMS		3 - high	Meteor-3-5	82.5 °																						X	X	X
TOMS		3 - high	Nimbus-7	12:00 desc									X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
TOMS		3 - high	TOMS Earth Probe	12:00 desc																											X	X	X	X	X	X	X	X	X	X	X
TOU		3 - high	FY-3A	09:05 desc																																							X	X	X	X	X	X	X	X
TOU		3 - high	FY-3B	14:45 asc																																									X	X	X	X	X	X	X	X	X	X	X
TOU	Yes	3 - high	FY-3C	08:20 desc																																												X	X	X	X	X	X	X	X	X	X
EPIC (DSCOVR)	Yes	4 - fair	DSCOVR	N/A																																														X	X	X	X	X	X	X	X	X	X	X	X
SOUNDER		5 - marginal	GOES-8	75°W																									X	X	X	X	X	X	X	X	X	X	X
SOUNDER		5 - marginal	GOES-9	135°W																										X	X	X	X	X	X	X	X	X
SOUNDER		5 - marginal	GOES-10	135°W																												X	X	X	X	X	X	X	X	X	X
SOUNDER		5 - marginal	GOES-11	135°W																															X	X	X	X	X	X	X	X	X	X	X	X
SOUNDER		5 - marginal	GOES-12	75°W																																X	X	X	X	X	X	X	X	X	X
SOUNDER	No	5 - marginal	GOES-13	60°W																																					X	X	X	X	X	X	X	X	X	X
SOUNDER	Yes	5 - marginal	GOES-14	105°W																																								X	X	X	X	X	X	X	X	X	X	X	X	X	X
SOUNDER	Yes	5 - marginal	GOES-15	128°W																																									X	X	X	X	X	X	X	X	X	X	X	X	X
SOUNDER		5 - marginal	GOES-9 (GMS backup)	155°E																																		X	X	X	X
SOUNDER		5 - marginal	GOES-10 (S-America)	60°W																																					X	X	X	X
SOUNDER		5 - marginal	GOES-12 (S-America)	60°W																																									X	X	X	X
SOUNDER (INSAT)	No	5 - marginal	INSAT-3D	82°E																																												X	X	X	X	X	X	X	X
SOUNDER (INSAT)	Yes	5 - marginal	INSAT-3DR	74°E																																															X	X	X	X	X	X	X	X	X	X	X
SOUNDER (INSAT)		5 - marginal	INSAT-3DS	74°E																																																						X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-6	07:30 desc										X	X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-7	14:30 asc												X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-8	07:30 desc														X	X	X
HIRS/2		5 - marginal	NOAA-9	14:30 asc															X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-10	07:30 desc																	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-11	14:10 asc																			X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-12	05:10 desc																						X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	NOAA-13	14:00 asc																								X
HIRS/2		5 - marginal	NOAA-14	09:30 desc																									X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/2		5 - marginal	TIROS-N	14:30 asc									X	X	X	X
HIRS/3		5 - marginal	NOAA-15	07:28 desc																													X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/3		5 - marginal	NOAA-16	09:01 desc																															X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/3		5 - marginal	NOAA-17	07:03 desc																																	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/4	No	5 - marginal	Metop-A	07:50 desc																																					X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
HIRS/4	No	5 - marginal	Metop-B	09:31 desc																																											X	X	X	X	X	X	X	X	X
HIRS/4		5 - marginal	NOAA-18	08:05 desc																																				X	X	X	X	X
HIRS/4		5 - marginal	NOAA-19	07:29 desc																																								X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
IRAS		5 - marginal	FY-3A	09:05 desc																																							X
IRAS		5 - marginal	FY-3B	14:45 asc																																									X	X	X	X	X	X	X	X	X	X	X
IRAS		5 - marginal	FY-3C	08:20 desc																																												X	X	X	X	X	X	X	X
SI-GDR		5 - marginal	Meteor-P2	81.2 °							X	X	X
SI-GDR		5 - marginal	Meteor-P3	10:15 asc								X	X	X
SI-GDR		5 - marginal	Meteor-P4	10:15 asc										X	X	X
MSU-GS/A		5 - marginal	Arctica-M N1	63.4 °																																																				X	X	X	X	X	X	X	X	X	X	X
MSU-GS/A		5 - marginal	Arctica-M N2	63.4 °																																																						X	X	X	X	X	X	X	X	X	X	X
MSU-GS/A		5 - marginal	Arctica-M N3	63.4 °																																																							X	X	X	X	X	X	X	X	X	X	X
MSU-GS/A		5 - marginal	Arctica-M N4	63.4 °																																																								X	X	X	X	X	X	X	X	X	X	X
MSU-GS/A		5 - marginal	Arctica-M N5	63.4 °																																																								X	X	X	X	X	X	X	X	X	X	X
ABI		5 - marginal	GOES-16	75.2°W																																															X	X	X	X	X	X	X	X	X	X	X	X
ABI	Yes	5 - marginal	GOES-17	137.2°W																																																	X	X	X	X	X	X	X	X	X	X	X	X
ABI		5 - marginal	GOES-18	89.5°W																																																					X	X	X	X	X	X	X	X	X	X	X	X
ABI		5 - marginal	GOES-U	75°W																																																							X	X	X	X	X	X	X	X	X	X	X	X
AHI	Yes	5 - marginal	Himawari-8	140.7°E																																													X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
AHI		5 - marginal	Himawari-9	140.7°E																																															X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
AMI	Yes	5 - marginal	GEO-KOMPSAT-2A	128.2°E																																																	X	X	X	X	X	X	X	X	X	X	X	X
FCI		5 - marginal	MTG-I1	0°																																																					X	X	X	X	X	X	X	X	X
FCI		5 - marginal	MTG-I2	0°																																																								X	X	X	X	X	X	X	X	X
FCI		5 - marginal	MTG-I3	0°																																																															X	X	X	X	X	X	X	X	X
FCI		5 - marginal	MTG-I4	0°																																																																			X	X	X	X	X	X	X	X	X
MSU-GS		5 - marginal	Electro-L N1	29.6°W																																										X	X	X	X	X	X
MSU-GS	Yes	5 - marginal	Electro-L N2	14.5°W																																														X	X	X	X	X	X	X	X	X	X	X
MSU-GS		5 - marginal	Electro-L N3	76°E																																																		X	X	X	X	X	X	X	X	X	X	X
MSU-GS		5 - marginal	Electro-L N4	166°E																																																						X	X	X	X	X	X	X	X	X	X	X
MSU-GS		5 - marginal	Electro-L N5	76°E																																																						X	X	X	X	X	X	X	X	X	X	X
MSU-GSM		5 - marginal	Electro-M N1	14.5°W																																																								X	X	X	X	X	X	X	X	X	X	X
MSU-GSM		5 - marginal	Electro-M N2	76°E																																																									X	X	X	X	X	X	X	X	X	X	X
MSU-GSM		5 - marginal	Electro-M N3	165.8°E																																																												X	X	X	X	X	X	X	X	X	X	X
SEVIRI		5 - marginal	Meteosat-8	3.7°E																																	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SEVIRI	Yes	5 - marginal	Meteosat-9	3.5°E																																				X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SEVIRI	Yes	5 - marginal	Meteosat-10	9.5°E																																											X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SEVIRI		5 - marginal	Meteosat-11	0°																																														X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
SEVIRI		5 - marginal	Meteosat-8 (IODC)	41.5°E																																															X	X	X	X	X	X	X
SEVIRI	Yes	5 - marginal	Meteosat-9 (IODC)	45.5°E																																																					X	X	X	X
MODIS	Yes	5 - marginal	Aqua	13:30 asc																																	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X
MODIS	Yes	5 - marginal	Terra	10:30 desc																														X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X

All instruments for measuring O3 Total Column

Instruments	Relevance	Operational limitations
O3 lidar	1 - primary
GEMS	2 - very high
Sentinel-4	2 - very high
TEMPO	2 - very high
ACS-nadir	2 - very high
EMI	2 - very high
EMI-2	2 - very high
GOME	2 - very high
GOME-2	2 - very high
OMI	2 - very high
OMS-nadir	2 - very high
SCIAMACHY-nadir	2 - very high
Sentinel-5	2 - very high
TROPOMI	2 - very high
UVAS	2 - very high
HySICS	2 - very high
SW spectrometer	2 - very high
OMPS-nadir	2 - very high
IASI-NG	3 - high
TES-nadir	3 - high
IMG	3 - high
IASI	3 - high
IKFS-3	3 - high
TANSO-FTS	3 - high
TANSO-FTS/2	3 - high
GIIRS	3 - high
IRFS-GS	3 - high
IRS	3 - high
AIRS	3 - high
CrIS	3 - high
HIRAS	3 - high
HIRAS-2	3 - high
IKFS-2	3 - high
FSI	3 - high
IR spectrometer	3 - high
Ozonometer-3	3 - high
Ozonometer-TM	3 - high
BUV	3 - high
SBUS	3 - high
SBUV	3 - high
SBUV/2	3 - high
TOMS	3 - high
TOU	3 - high
EPIC (DSCOVR)	4 - fair
HIS	4 - fair
SOUNDER	5 - marginal
SOUNDER (INSAT)	5 - marginal
HIRS/2	5 - marginal
HIRS/3	5 - marginal
HIRS/4	5 - marginal
IRAS	5 - marginal
SI-GDR	5 - marginal
ISR	5 - marginal
MSU-GS/A	5 - marginal
ABI	5 - marginal
AHI	5 - marginal
AMI	5 - marginal
FCI	5 - marginal
MSU-GS	5 - marginal
MSU-GSM	5 - marginal
SEVIRI	5 - marginal
MODIS	5 - marginal