GRUAN sets high standards on all instrumentation used within GRUAN to measure essential climatevariables. A central requirement is quantifying the measurement uncertainty and documentingthe procedures to arrive at the final data product.

This document describes the information needed to generate a GRUAN data product using radiosondesand the studies and tests that may be needed to generate this information.

Rev. 1.0 (2013-07-08)

M. Sommer, Renamed as GRUAN Technical Note 1 (GRUAN-TN-1);Including comments from a first review of TT Radiosonde

Draft 0.2 (2013-05-28)

M. Sommer, Reformatted as GRUAN Technical Document; First draft version

(2013-05-26)

H. Vömel, Re-structured document

(2013-05-16)

M. Sommer, First document