Arctic, > 60°N

Ly-a NOAA-AL																									.
Ly-a Jülich																																	.	.
TDL JPL																																				.
TDL LaRC/ARC																																.
MOZAIC																														.	.	.	.	.	.	.
DIAL LaRC																																				.
	65					70					75					80					85					90					95					00

Northern mid-latitudes, 20-60°N

FP LMD																														.	.		.
FP MRF	since 1943.						.	.	.	.	.	.	.	.	.	.
FP NRL										.	.
Ly-a NOAA-AL																											.
Ly-a Jülich																															.	.	.	.
TDL JPL																																		.
TDL LaRC/ARC																																.	.
MOZAIC																														.	.	.	.	.	.	.
cryo NCAR	.	.	.	.	.	.	.	.
DIAL LARC																															.	.	.	.
DIAL DLR																																		.	.
Raman GSFC																										.	.	.	.	.	.	.	.	.
Raman OHP																																	.	.
	65					70					75					80					85					90					95					00

Tropics, 20°S-20°N

TDL LaRC/ARC																																.
MOZAIC																														.	.	.	.	.	.	.
DIAL LaRC																																			.
	65					70					75					80					85					90					95					00

Southern mid-latitudes, 20-60°N

Ly-a NOAA-AL																							.
TDL LaRC/ARC																																.
MOZAIC																														.	.	.	.	.	.	.
	65					70					75					80					85					90					95					00

Figure 1.2a