Multiple GCPEx ground instruments at the CARE site.
Three GCPEx precipitation sensors with the Environment Canada building in the background, taken 7 February 2012.

Note the low snow amounts on the ground. Sensors left to right are: ADMIRARI (radiometer; U. Bonn), D3R (radar; NASA), DPR (radar; U. Koln). [This dual-precipitation radar (DRR) is not the same as to be on the GPM spacecraft.] 

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NASA / Gail Skofronick-Jackson