Mean deviation values (MAD) for 30 d in the autumn data set (from 2012 November 21 to December 21) and 31 d in the spring data set (from 2013 May 17 to June 17). The |$_o$|, |$_d$| and |$_s$| indices stand respectively for original, day-to-day corrected and monthly stacked corrected vertical component data. The overline symbol |$\overline{x}$| stands for the average over all days in the corresponding periods. The best values are shown in bold.
| Data set . | |$\overline{\sigma _o}$| (m s−2) . | |$\overline{\sigma _d}$| (m s−2) . | |$\overline{\sigma _s}$| (m s−2) . |
|---|---|---|---|
| Autumn | 1.03|$\times 10^{-7}$| | 8.90|$\times 10^{-9}$| | 6.17|$\times 10^{-9}$| |
| Spring | 4.87|$\times 10^{-8}$| | 1.15|$\times 10^{-8}$| | 8.39|$\times 10^{-9}$| |
| Data set . | |$\overline{\sigma _o}$| (m s−2) . | |$\overline{\sigma _d}$| (m s−2) . | |$\overline{\sigma _s}$| (m s−2) . |
|---|---|---|---|
| Autumn | 1.03|$\times 10^{-7}$| | 8.90|$\times 10^{-9}$| | 6.17|$\times 10^{-9}$| |
| Spring | 4.87|$\times 10^{-8}$| | 1.15|$\times 10^{-8}$| | 8.39|$\times 10^{-9}$| |
Mean deviation values (MAD) for 30 d in the autumn data set (from 2012 November 21 to December 21) and 31 d in the spring data set (from 2013 May 17 to June 17). The |$_o$|, |$_d$| and |$_s$| indices stand respectively for original, day-to-day corrected and monthly stacked corrected vertical component data. The overline symbol |$\overline{x}$| stands for the average over all days in the corresponding periods. The best values are shown in bold.
| Data set . | |$\overline{\sigma _o}$| (m s−2) . | |$\overline{\sigma _d}$| (m s−2) . | |$\overline{\sigma _s}$| (m s−2) . |
|---|---|---|---|
| Autumn | 1.03|$\times 10^{-7}$| | 8.90|$\times 10^{-9}$| | 6.17|$\times 10^{-9}$| |
| Spring | 4.87|$\times 10^{-8}$| | 1.15|$\times 10^{-8}$| | 8.39|$\times 10^{-9}$| |
| Data set . | |$\overline{\sigma _o}$| (m s−2) . | |$\overline{\sigma _d}$| (m s−2) . | |$\overline{\sigma _s}$| (m s−2) . |
|---|---|---|---|
| Autumn | 1.03|$\times 10^{-7}$| | 8.90|$\times 10^{-9}$| | 6.17|$\times 10^{-9}$| |
| Spring | 4.87|$\times 10^{-8}$| | 1.15|$\times 10^{-8}$| | 8.39|$\times 10^{-9}$| |
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