ACE/MAG Release Notes: The following are cummulative release notes for the ACE Magnetic Field Instrument (MAG) Level-2 datasets with 1-sec resolution. As new datasets are released or old datasets are processed, this file will be updated. While MAG uses a badpoint fill value of -999.9, there are occasional minor frames of data with values (0,0,0). The source of this has never been determined and they can be found in the 1-s data. Data where all 3 components of the IMF are "0" should be treated as bad. Note: The ACE spin period is 12 seconds. Consequently, a spin tone can be seen at 1/12 = 0.083 Hz, the amplitude of which is a measure of the inaccuracy of the instrument zeroes. A small spin tone is commonly observed. -------------------------------------------------------------------------- March 13, 2007 Release of DOY 3 of 2007 -- DOY 29 of 2007, 1-sec data for MAG. This is a new data product that will be made available from here out. Every effort will be made to provide the same data product for times already delivered in the ASC catalog. Delivery of earlier times will be made as reprocessing is possible. -------------------------------------------------------------------------- April 24, 2007 Release of DOY 30 of 2007 -- DOY 56 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- April 27, 2007 Release of DOY 57 of 2007 -- DOY 83 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- May 16, 2007 Working backward in time: Release of DOY 160 of 2006 -- DOY 2 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- June 1, 2007 Working backward in time: Release of DOY 44 of 2006 -- DOY 159 of 2006, 1-sec data for MAG. -------------------------------------------------------------------------- June 12, 2007 Working backward in time: Release of DOY 312 of 2005 -- DOY 43 of 2006, 1-sec data for MAG. -------------------------------------------------------------------------- August 20, 2007 Working backward in time: Release of DOY 160 of 2005 -- DOY 311 of 2005, 1-sec data for MAG. -------------------------------------------------------------------------- August 21, 2007 Working backward in time: Release of DOY 1 of 2005 -- DOY 159 of 2005, 1-sec data for MAG. -------------------------------------------------------------------------- October 1, 2007 Working backward in time: Release of DOY 44 of 2004 -- DOY 366 of 2004, 1-sec data for MAG. -------------------------------------------------------------------------- October 2, 2007 Working backward in time: Release of DOY 174 of 2003 -- DOY 44 of 2004, 1-sec data for MAG. -------------------------------------------------------------------------- October 3, 2007 Working backward in time: Release of DOY 38 of 2003 -- DOY 173 of 2003, 1-sec data for MAG. -------------------------------------------------------------------------- October 4, 2007 Working backward in time: Release of DOY 111 of 2002 -- DOY 37 of 2003, 1-sec data for MAG. -------------------------------------------------------------------------- October 8, 2007 Working backward in time: Release of DOY 55 of 2001 -- DOY 110 of 2002, 1-sec data for MAG. -------------------------------------------------------------------------- October 9, 2007 Working backward in time: Release of DOY 58 of 2000 -- DOY 54 of 2001, 1-sec data for MAG. -------------------------------------------------------------------------- November 7, 2007 Working forward in time: Release of DOY 84 of 2007 -- DOY 137 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- November 12, 2007 Working forward in time: Release of DOY 138 of 2007 -- DOY 191 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- November 13, 2007 Working forward in time: Release of DOY 192 of 2007 -- DOY 218 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- November 14, 2007 Working forward in time: Release of DOY 219 of 2007 -- DOY 245 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- November 21, 2007 Working forward in time: Release of DOY 246 of 2007 -- DOY 272 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- January 23, 2008 Working backward in time: Release of DOY 001 of 1999 -- DOY 057 of 2000, 1-sec data for MAG. At this time we have posted 1-s data for 1999/001 through 2007/272. -------------------------------------------------------------------------- February 6, 2008 Working forward in time: Release of DOY 273 of 2007 -- DOY 299 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- February 7, 2008 Working forward in time: Release of DOY 300 of 2007 -- DOY 353 of 2007, 1-sec data for MAG. -------------------------------------------------------------------------- February 8, 2008 Working forward in time: Release of DOY 354 of 2007 -- DOY 15 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- February 12, 2008 Working backward in time: Release of DOY 001 of 1998 -- DOY 365 of 1998, 1-sec data for MAG. At this time we have posted 1-s data for 1998/001 through 2008/015. -------------------------------------------------------------------------- March 24, 2008 Working forward in time: Release of DOY 16 of 2008 -- DOY 42 of 2008, 1-sec data for MAG. At this time we have posted 1-s data for 1998/001 through 2008/042. -------------------------------------------------------------------------- May 10, 2008 Working forward in time: Release of DOY 43 of 2008 -- DOY 69 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- May 12, 2008 Working forward in time: Release of DOY 70 of 2008 -- DOY 96 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- August 11, 2008 Working forward in time: Release of DOY 97 of 2008 -- DOY 150 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- August 13, 2008 Working forward in time: Release of DOY 151 of 2008 -- DOY 177 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- September 30, 2008 Working forward in time: Release of DOY 178 -- 204 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- October 1, 2008 Working forward in time: Release of DOY 205 -- 231 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- October 2, 2008 Working forward in time: Release of DOY 232 -- 258 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- February 21, 2009 Working forward in time: Release of DOY 259 -- 312 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- February 27, 2009 Working forward in time: Release of DOY 313 -- 366 of 2008, 1-sec data for MAG. -------------------------------------------------------------------------- June 23, 2009 Release of DOY 001 -- 135 of 2009, 1-sec data for MAG. We now recognize that fluctuations in the MAG calibration analysis previously attributed to "noise" is, in fact, strongly correlated to the inclination angle of the Sun upon the solar arrays. As a result this very-low-frequency sawtooth signal can be modeled and removed. We are working on this and hope to have it available in a general reanalysis of the data planned for the near future. Meanwhile, this signal accounts for the varying spin tone seen in the data. -------------------------------------------------------------------------- October 31, 2009 Release of DOY 136 -- 216 of 2009, 1-sec data for MAG. -------------------------------------------------------------------------- November 16, 2009 Release of DOY 217 -- 270 of 2009, 1-sec data for MAG. -------------------------------------------------------------------------- March 22, 2010 Release of DOY 271 -- 351 of 2009, 1-sec data for MAG. Note that spacecraft maneuver on day 2009/303 produces a decaying noise signal that is more evident than usual given that the instrument is in its most sensitive range at that time. Also, days 315 and 316 have an apparent spin tone I could not resolve. I will revisit this later. -------------------------------------------------------------------------- April 29, 2010 Release of DOY 352 of 2009 -- 013 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- April 30, 2010 Release of DOY 014 -- 040 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- August 31, 2010 Release of DOY 041 -- 094 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- September 3, 2010 Release of DOY 095 -- 121 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- September 5, 2010 Release of DOY 122 -- 148 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- January 30, 2011 Release of DOY 149 -- 202 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- February 4, 2011 Release of DOY 203 -- 256 of 2010, 1-sec data for MAG. Notable spin tone during spacecraft maneuver on day 229. -------------------------------------------------------------------------- February 10, 2011 Release of DOY 257 -- 310 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- February 18, 2011 Release of DOY 311 -- 337 of 2010, 1-sec data for MAG. -------------------------------------------------------------------------- August 24, 2011 Release of DOY 338 of 2010 -- 053 of 2011, 1-sec data for MAG. -------------------------------------------------------------------------- August 25, 2011 Release of DOY 054 -- 080 of 2011, 1-sec data for MAG. -------------------------------------------------------------------------- September 1, 2011 Release of DOY 081 -- 134 of 2011, 1-sec data for MAG. -------------------------------------------------------------------------- September 26, 2011 Release of DOY 135 -- 188 of 2011, 1-sec data for MAG. -------------------------------------------------------------------------- September 29, 2011 Release of DOY 189 -- 242 of 2011, 1-sec data for MAG. -------------------------------------------------------------------------- January 27, 2012 Release of DOY 243 -- 296 of 2011, 1-sec data for MAG. -------------------------------------------------------------------------- February 3, 2012 Release of DOY 297 -- 323 of 2011, 1-sec data for MAG. RTN coordinates. Note days 2011/316-318 contains significant data gaps due to ADC data. Day 2011/317 ends prematurely for this reason. -------------------------------------------------------------------------- April 10, 2012 Release of DOY 324 of 2011 -- DOY 066 of 2012, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- September 22, 2012 Release of DOY 067 -- 147 of 2012, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- October 7, 2012 Release of DOY 148 -- 228 of 2012, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 1, 2013 ACE/MAG processing is back with a new machine! Data delivery resumes. Release of DOY 229 -- 282 of 2012, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 6, 2013 Release of DOY 283 -- 336 of 2012, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 5, 2013 Release of DOY 337 -- 363 of 2012, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 30, 2013 Release of DOY 364 of 2012 -- 024 of 2013, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- May 7, 2013 Release of DOY 025 -- 105 of 2013, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- July 17, 2013 Release of DOY 106 -- 132 of 2013, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- November 8, 2013 Release of DOY 133 -- 294 of 2013, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- November 8, 2013 Re-release of DOY 151 -- 294 of 2013, 1-sec data for MAG. RTN coordinates. Revised calibrations are < 0.2 nT change in science data. Release of DOY 295 -- 321 of 2013, 1-sec data for MAG. --------------------------------------------------------------------- June 16, 2014 Re-release of DOY 151 -- 294 of 2013, 1-sec data for MAG RTN coordinates. Revised calibrations are < 0.2 nT change in science data. Release of DOY 295 -- 321 of 2013, 1-sec data for MAG data in RTN coordinates. --------------------------------------------------------------------- July 4, 2014 Release of DOY 322 of 2013 -- DOY 010 of 2014, 1-sec data for MAG data in RTN coordinates. -------------------------------------------------------------------------- July 14, 2014 Release of DOY 011 -- DOY 037 of 2014, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 13, 2014 Release of DOY 119 -- DOY 172 of 2014, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- September 18, 2014 Release of DOY 173 -- DOY 226 of 2014, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 18, 2015 Release of DOY 227 -- DOY 309 of 2014, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 19, 2015 Release of DOY 310 -- DOY 334 of 2014, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 20, 2015 Release of DOY 335 -- DOY 361 of 2014, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 1, 2015 Release of DOY 362 of 2014 -- DOY 23 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 14, 2015 Release of DOY 24 -- DOY 50 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 29, 2015 Release of DOY 51 -- DOY 77 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- June 8, 2015 Release of DOY 78 -- DOY 131 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 19, 2015 Release of DOY 132 -- DOY 185 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- October 30, 2015 Release of DOY 186 -- DOY 266 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- January 14, 2016 Release of DOY 267 -- DOY 293 of 2015, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- March 14, 2016 Release of DOY 348 of 2015 -- DOY 009 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- March 15, 2016 Release of DOY 010 -- DOY 036 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 29, 2016 Release of DOY 037 -- DOY 090 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 2, 2016 Release of DOY 091 -- DOY 171 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- September 20, 2016 Release of DOY 172 -- DOY 225 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- October 25, 2016 Release of DOY 226 -- DOY 279 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 10, 2017 Release of DOY 280 -- DOY 306 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 16, 2017 Release of DOY 307 -- DOY 360 of 2016, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 17, 2017 Release of DOY 361 of 2016 -- DOY 048 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 20, 2017 Release of DOY 049 -- DOY 075 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- May 5, 2017 Release of DOY 076 -- DOY 102 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 28, 2017 Release of DOY 103 -- DOY 183 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 30, 2017 Release of DOY 184 -- DOY 210 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- January 10, 2018 Release of DOY 211 -- DOY 264 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- January 30, 2018 Release of DOY 265 -- DOY 345 of 2017, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 25, 2018 Release of DOY 346 of 2017 -- DOY 061 of 2018, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- May 16, 2018 Release of DOY 062 -- DOY 088 of 2018, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- May 17, 2018 Reposted DOY 030 -- DOY 088 of 2018, 1-sec data for MAG. RTN coordinates. Previous files contained calibration error in Range-2. -------------------------------------------------------------------------- September 21, 2018 Released DOY 089 -- DOY 223 of 2018, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 21, 2019 Released DOY 224 -- DOY 358 of 2018, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 25, 2019 Released DOY 359 of 2018 -- DOY 048 of 2019, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- December 27, 2019 Released DOY 049 -- DOY 290 of 2019, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 19, 2020 Released DOY 291 of 2019 -- DOY 006 of 2020, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- June 5, 2020 Released DOY 007 -- DOY 087 of 2020, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 25, 2020 Released DOY 088 -- DOY 195 of 2020, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- November 22, 2020 Released DOY 196 -- DOY 276 of 2020, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- January 9, 2021 Released DOY 277 -- DOY 330 of 2020, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- March 11, 2021 Released DOY 331 -- DOY 357 of 2020, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- March 14, 2021 Released DOY 358 of 2020 -- DOY 045 of 2021, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- August 31, 2021 Released DOY 046 -- DOY 207 of 2021, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- January 15, 2022 Released DOY 208 -- DOY 315 of 2021, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 16, 2022 Released DOY 316 of 2021 -- DOY 004 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- May 1, 2022 Released DOY 005 -- DOY 058 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- June 8, 2022 Released DOY 059 -- DOY 112 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- July 26, 2022 Released DOY 113 -- DOY 193 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- October 18, 2022 Released DOY 194 -- DOY 247 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- December 11, 2022 Released DOY 248 -- DOY 301 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- January 9, 2023 Released DOY 302 -- DOY 355 of 2022, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- March 6, 2023 Released DOY 356 of 2022 -- DOY 017 of 2023, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- June 20, 2023 Released DOY 018 -- DOY 125 of 2023, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- September 8, 2023 Released DOY 126 -- DOY 233 of 2023, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- November 21, 2023 Released DOY 234 -- DOY 287 of 2023, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- February 23, 2024 Released DOY 288 of 2023 -- DOY 003 of 2024, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- April 15, 2024 Released DOY 004 -- DOY 084 of 2024, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- July 30, 2024 Released DOY 085 -- DOY 165 of 2024, 1-sec data for MAG. RTN coordinates. -------------------------------------------------------------------------- November 22, 2024 Released DOY 166 -- DOY 273 of 2024, 1-sec data for MAG. RTN coordinates. --- CWS