We call that potential “contamination.”In short, you have to be really careful about satellite measurements, there is a lot of uncertainty. Facebook Twitter Pinterest Contrarians claiming satellite data are ‘the best data we have.’ Video by Peter Sinclair for Yale Climate Connections. One of the groups that has promoted satellite measurements, and downplayed climate change is from the University of Alabama at Huntsville (UAH). To counter the UAH group, another institution began processing satellite data (Remote Sensing Systems, RSS). After that, the UAH data nearly flatlines but the RSS data continues warming.

Source: The Guardian July 03, 2017 09:56 UTC