Least-squares multi-spacecraft gradient calculation with automatic error estimation

De Keyser, J.

doi:10.5194/angeo-26-3295-2008

Articles | Volume 26, issue 11

https://doi.org/10.5194/angeo-26-3295-2008

© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-26-3295-2008

© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 26, issue 11

21 Oct 2008

| 21 Oct 2008

Least-squares multi-spacecraft gradient calculation with automatic error estimation

J. De Keyser

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Total article views: 2,183 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
999	1,091	93	2,183	113	166

HTML: 999
PDF: 1,091
XML: 93
Total: 2,183
BibTeX: 113
EndNote: 166

Views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	7	0	7
Mar 2013	2	6	2	10
Apr 2013	2	8	0	10
May 2013	1	7	0	8
Jun 2013	2	13	0	15
Jul 2013	1	7	0	8
Aug 2013	8	8	0	16
Sep 2013	3	15	0	18
Oct 2013	6	12	0	18
Nov 2013	6	0	6
Dec 2013	3	9	1	13
Jan 2014	2	8	2	12
Feb 2014	6	10	4	20
Mar 2014	13	20	6	39
Apr 2014	1	11	2	14
May 2014	3	12	1	16
Jun 2014	3	30	0	33
Jul 2014	2	19	0	21
Aug 2014	1	10	0	11
Sep 2014	4	9	1	14
Oct 2014	9	0	9
Nov 2014	3	12	0	15
Dec 2014	2	8	1	11
Jan 2015	2	0	2
Feb 2015	1	3	1	5
Mar 2015	5	2	0	7
Apr 2015	8	1	0	9
May 2015	5	1	0	6
Jun 2015	21	1	0	22
Jul 2015	14	7	0	21
Aug 2015	5	4	0	9
Sep 2015	2	3	0	5
Oct 2015	9	1	0	10
Nov 2015	9	0	9
Dec 2015	4	1	0	5
Jan 2016	12	4	1	17
Feb 2016	6	6	0	12
Mar 2016	8	1	0	9
Apr 2016	5	1	0	6
May 2016	5	1	0	6
Jun 2016	7	0	7
Jul 2016	5	5	1	11
Aug 2016	4	3	0	7
Sep 2016	6	3	0	9
Oct 2016	4	2	0	6
Nov 2016	2	1	0	3
Dec 2016	4	1	0	5
Jan 2017	4	1	1	6
Feb 2017	3	1	4
Mar 2017	4	2	0	6
Apr 2017	7	1	0	8
May 2017	10	4	0	14
Jun 2017	10	0	10
Jul 2017	11	4	2	17
Aug 2017	4	55	0	59
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Oct 2017	1	0	1
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Dec 2017	4	4	0	8
Jan 2018	5	7	0	12
Feb 2018	4	3	0	7
Mar 2018	5	3	0	8
Apr 2018	6	5	0	11
May 2018	5	3	0	8
Jun 2018	3	6	0	9
Jul 2018	3	0	3
Aug 2018	5	2	0	7
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Nov 2018	10	6	0	16
Dec 2018	9	9	0	18
Jan 2019	8	4	0	12
Feb 2019	6	3	0	9
Mar 2019	6	10	0	16
Apr 2019	3	3	0	6
May 2019	7	3	0	10
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Jul 2019	2	1	0	3
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Sep 2019	1	1	0	2
Oct 2019	2	3	0	5
Nov 2019	2	5	0	7
Dec 2019	3	2	0	5
Jan 2020	9	4	1	14
Feb 2020	6	2	0	8
Mar 2020	1	5	0	6
Apr 2020	3	3	0	6
May 2020	5	3	1	9
Jun 2020	12	5	1	18
Jul 2020	16	9	11	36
Aug 2020	3	7	3	13
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Oct 2020	6	8	0	14
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Jan 2021	15	7	0	22
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Apr 2021	5	6	0	11
May 2021	7	6	0	13
Jun 2021	9	6	0	15
Jul 2021	2	6	0	8
Aug 2021	4	4	0	8
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Oct 2021	7	15	0	22
Nov 2021	2	14	0	16
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Feb 2022	5	1	1	7
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Apr 2022	4	3	0	7
May 2022	3	5	1	9
Jun 2022	4	4	0	8
Jul 2022	2	1	0	3
Aug 2022	7	2	1	10
Sep 2022	3	3	0	6
Oct 2022	8	2	1	11
Nov 2022	5	4	0	9
Dec 2022	5	6	1	12
Jan 2023	7	7	1	15
Feb 2023	9	3	1	13
Mar 2023	5	7	0	12
Apr 2023	1	23	0	24
May 2023	8	81	3	92
Jun 2023	3	64	0	67
Jul 2023	6	2	0	8
Aug 2023	4	2	1	7
Sep 2023	10	4	2	16
Oct 2023	5	3	0	8
Nov 2023	3	0	3
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Jan 2024	2	6	0	8
Feb 2024	4	7	0	11
Mar 2024	6	6	2	14
Apr 2024	12	5	4	21
May 2024	11	7	8	26
Jun 2024	6	12	2	20
Jul 2024	10	3	3	16
Aug 2024	9	2	1	12
Sep 2024	4	3	0	7
Oct 2024	15	3	0	18
Nov 2024	6	3	2	11
Dec 2024	2	3	0	5
Jan 2025	6	3	0	9
Feb 2025	15	2	0	17
Mar 2025	18	3	2	23
Apr 2025	2	6	0	8
May 2025	10	8	2	20
Jun 2025	24	10	1	35
Jul 2025	16	9	1	26
Aug 2025	29	4	2	35
Sep 2025	26	9	1	36
Oct 2025	11	18	1	30
Nov 2025	34	32	2	68
Dec 2025	25	47	1	73
Jan 2026	12	5	0	17

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	7	0	7
Mar 2013	2	6	2	10
Apr 2013	2	8	0	10
May 2013	1	7	0	8
Jun 2013	2	13	0	15
Jul 2013	1	7	0	8
Aug 2013	8	8	0	16
Sep 2013	3	15	0	18
Oct 2013	6	12	0	18
Nov 2013	6	0	6
Dec 2013	3	9	1	13
Jan 2014	2	8	2	12
Feb 2014	6	10	4	20
Mar 2014	13	20	6	39
Apr 2014	1	11	2	14
May 2014	3	12	1	16
Jun 2014	3	30	0	33
Jul 2014	2	19	0	21
Aug 2014	1	10	0	11
Sep 2014	4	9	1	14
Oct 2014	9	0	9
Nov 2014	3	12	0	15
Dec 2014	2	8	1	11
Jan 2015	2	0	2
Feb 2015	1	3	1	5
Mar 2015	5	2	0	7
Apr 2015	8	1	0	9
May 2015	5	1	0	6
Jun 2015	21	1	0	22
Jul 2015	14	7	0	21
Aug 2015	5	4	0	9
Sep 2015	2	3	0	5
Oct 2015	9	1	0	10
Nov 2015	9	0	9
Dec 2015	4	1	0	5
Jan 2016	12	4	1	17
Feb 2016	6	6	0	12
Mar 2016	8	1	0	9
Apr 2016	5	1	0	6
May 2016	5	1	0	6
Jun 2016	7	0	7
Jul 2016	5	5	1	11
Aug 2016	4	3	0	7
Sep 2016	6	3	0	9
Oct 2016	4	2	0	6
Nov 2016	2	1	0	3
Dec 2016	4	1	0	5
Jan 2017	4	1	1	6
Feb 2017	3	1	4
Mar 2017	4	2	0	6
Apr 2017	7	1	0	8
May 2017	10	4	0	14
Jun 2017	10	0	10
Jul 2017	11	4	2	17
Aug 2017	4	55	0	59
Sep 2017	5	10	0	15
Oct 2017	1	0	1
Nov 2017	8	4	1	13
Dec 2017	4	4	0	8
Jan 2018	5	7	0	12
Feb 2018	4	3	0	7
Mar 2018	5	3	0	8
Apr 2018	6	5	0	11
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Sep 2018	4	3	0	7
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Nov 2018	10	6	0	16
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Feb 2019	6	3	0	9
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Apr 2019	3	3	0	6
May 2019	7	3	0	10
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Jul 2019	2	1	0	3
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Oct 2019	2	3	0	5
Nov 2019	2	5	0	7
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Jan 2020	9	4	1	14
Feb 2020	6	2	0	8
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Apr 2020	3	3	0	6
May 2020	5	3	1	9
Jun 2020	12	5	1	18
Jul 2020	16	9	11	36
Aug 2020	3	7	3	13
Sep 2020	2	1	0	3
Oct 2020	6	8	0	14
Nov 2020	6	11	0	17
Dec 2020	10	7	0	17
Jan 2021	15	7	0	22
Feb 2021	3	3	0	6
Mar 2021	5	3	0	8
Apr 2021	5	6	0	11
May 2021	7	6	0	13
Jun 2021	9	6	0	15
Jul 2021	2	6	0	8
Aug 2021	4	4	0	8
Sep 2021	18	10	0	28
Oct 2021	7	15	0	22
Nov 2021	2	14	0	16
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Jan 2022	7	6	0	13
Feb 2022	5	1	1	7
Mar 2022	4	4	0	8
Apr 2022	4	3	0	7
May 2022	3	5	1	9
Jun 2022	4	4	0	8
Jul 2022	2	1	0	3
Aug 2022	7	2	1	10
Sep 2022	3	3	0	6
Oct 2022	8	2	1	11
Nov 2022	5	4	0	9
Dec 2022	5	6	1	12
Jan 2023	7	7	1	15
Feb 2023	9	3	1	13
Mar 2023	5	7	0	12
Apr 2023	1	23	0	24
May 2023	8	81	3	92
Jun 2023	3	64	0	67
Jul 2023	6	2	0	8
Aug 2023	4	2	1	7
Sep 2023	10	4	2	16
Oct 2023	5	3	0	8
Nov 2023	3	0	3
Dec 2023	6	0	6
Jan 2024	2	6	0	8
Feb 2024	4	7	0	11
Mar 2024	6	6	2	14
Apr 2024	12	5	4	21
May 2024	11	7	8	26
Jun 2024	6	12	2	20
Jul 2024	10	3	3	16
Aug 2024	9	2	1	12
Sep 2024	4	3	0	7
Oct 2024	15	3	0	18
Nov 2024	6	3	2	11
Dec 2024	2	3	0	5
Jan 2025	6	3	0	9
Feb 2025	15	2	0	17
Mar 2025	18	3	2	23
Apr 2025	2	6	0	8
May 2025	10	8	2	20
Jun 2025	24	10	1	35
Jul 2025	16	9	1	26
Aug 2025	29	4	2	35
Sep 2025	26	9	1	36
Oct 2025	11	18	1	30
Nov 2025	34	32	2	68
Dec 2025	25	47	1	73
Jan 2026	12	5	0	17

Latest update: 18 Jan 2026