Cassini 1-min cruise phase magnetic field data in CDF Format

Cassini Magnetic Field 1 min Averages for the Year 2020 in RTN Coordinates. RTN Coordinates consist of the Radial Component, R, from the Sun to the Spacecraft), the Tangential Component, T, parallel to the Solar Equatorial Plane and perpendicular to R, and the Normal Component, N, that completes Right-Handed Set. This File contains a Subset of all of the Cassini MAG Data for 2001 consisting of only the Data after the Day of the last Jupiter Bowshock Crossing, 2001-01-15. The Data are mostly from the Fluxgate Magnetometer (FGM). The Table at vhm.txt identifies the 52 Days in 2000 to 2004 for which the Data are solely from the Vector Helium Magnetometer (VHM). Days not in the Table contain only FGM Data. VHM_mode Variable indicates (value 1) whether Data are from VHM. This File was produced from raw, L1A, Data at the PDS/PPI node using Software provided by the Cassini MAG Team, and employing the latest Calibration available. The PDS/PPI Node produced both 1 s vectors and 1 min averages. The MAG team reports that while Range 0 data are well calibrated for both the Fluxgate Magnetometer, FGM and the Vector Helium Magnetometer, VHM, the higher Range Data need Improvement, See the RANGE_CHANGES.ASC Document for a Time History of Range Changes. These Data will be replaced as the Calibration is improved. The FGM_mode Variable indicates (Value 0) if Data is Range 0. See https://www.igpp.ucla.edu/cgi-bin/ditdos?volume=COMAG_0XXX&folder=DOCUMENT/DATA_QUALITY&file=RANGE_CHANGES for Details. In particular, this Documentation reports that FGM was in Range=0 for the following extended Intervals plus other brief Intervals, YYYY/DDD/HH, inclusive: 1999/230/05 to 1999/245/07, 1999/245/09 to 2000/037/12, 2000/039/00 to 2000/053/18, 2000/053/20 to 2000/056/01, 2000/057/23 to 2002/334/13, 2002/334/17 to 2003/292/18, 2003/292/22 to 2004/046/11, 2004/046/15 to 2004/088/08, 2004/088/12 to 2004/136/06, 2004/136/11 to 2004/174/01, 2004/174/06 to 2004/182/17

卡西尼磁力场1分钟平均值数据集（2020年，RTN坐标系）。RTN坐标系包括径向分量R（从太阳到航天器），切向分量T（与太阳赤道平面平行，垂直于R），以及法向分量N，构成右手坐标系。本文件包含卡西尼MAG数据集（2001年）的子集，仅包括2001年1月15日之后的数据，即最后一次木星弓形激波穿越之后的数据。数据主要来自霍尔效应磁力计（FGM）。vhm.txt表格中标识了2000年至2004年间，数据仅来自矢量氦磁力计（VHM）的52天。不在表格中的日期仅包含FGM数据。VHM_mode变量指示（值为1）数据是否来自VHM。该文件由卡西尼MAG团队提供的软件在PDS/PPI节点上，基于最新的校准数据进行生成，原始数据为L1A级。PDS/PPI节点生成了1秒向量数据和1分钟平均值数据。MAG团队报告称，尽管0范围数据对于霍尔效应磁力计（FGM）和矢量氦磁力计（VHM）的校准均良好，但更高范围的数据需要改进，详情请参阅RANGE_CHANGES.ASC文档，其中记录了范围变化的时间历史。随着校准的改进，这些数据将被替换。FGM_mode变量指示（值为0）数据是否为0范围。有关详细信息，请参阅https://www.igpp.ucla.edu/cgi-bin/ditdos?volume=COMAG_0XXX&folder=DOCUMENT/DATA_QUALITY&file=RANGE_CHANGES。特别是，本文档报告了FGM在以下延长区间以及其他短暂区间内处于Range=0状态：1999/230/05至1999/245/07，1999/245/09至2000/037/12，2000/039/00至2000/053/18，2000/053/20至2000/056/01，2000/057/23至2002/334/13，2002/334/17至2003/292/18，2003/292/22至2004/046/11，2004/046/15至2004/088/08，2004/088/12至2004/136/06，2004/136/11至2004/174/01，2004/174/06至2004/182/17。