2.2.6 spase://CDPP/Instrument/AMDA/MGS/PROXY Proxy IMF clock angle MGS Proxy 2009-05-20T21:10:13Z Draping direction is calculated on an orbit-by-obit basis using MGS data from time periods when the spacecraft was above 50-60 N planetary latitude on the Martian dayside. We use this small latitude range in an attempt to minimize the contaminating effects of crustal magnetic fields, which are weakest in this latitude band. Draping direction is reported as the median azimuth angle from each orbit, with 0° pointing locally Eastward from the spacecraft, and 90° pointing locally Northward. spase://CDPP/Person/David.Brain TechnicalContact MGS Proxy webpage http://sprg.ssl.berkeley.edu/~brain/proxies/drapingdirxn.html Magnetometer MAG/ER spase://CDPP/Observatory/AMDA/MGS