ROSETTA ROMAP DATA CALIBRATION DESCRIPTION =========================================================================== Revisions --------- 2009-04-20 first issue, xxx Purpose ------- This document describes the calibration of the ROMAP-MAG and ROAMP-SPM data delivered in the ROMAP level 3 data set. ROMAP-MAG calibration ===================== Introduction ------------- There are 2 kinds of calibrations applied to the ROMAP-MAG raw data: 1) Preliminary calibrated magnetometer data (draft aligned and very draft offset corrected). 2) Final calibration (cleaned from offset and spacecraft disturbances, done by TU-BS using RPC data). Only some selected data intervals are provided to PSA during cruise. The cleaning procedure consists of the following steps: