Measurement of the "spectral signature" of a wind profiler in Cabauw, The Netherlands. The (white conical-shaped) receiving antenna can be seen on top of the measurement van.
In the foreground from left:
Bertram Arbesser-Rastburg (ESA), Norbert Witternigg (Joanneum Research), Jorge Pita (ESA), Juan-Carlos de Mateo (ESA)