Average Sa from 0.2 to 1.5 T

A215 files contains Sa values averaged over the periodic range of 0.2T to 1.5T at each period T. As in ETA20inx_Sa_Avr, rows correspond to periods and columns correspond to time.

For applications, see Use A215 data.

Typical values are shown in Figure 1. These curves show columns 501, 1001 and 1501 of ETA20inx_Sa_Avr_A215 plotted against periods (_mTs vector).

Direct access: ETA20inx average Sa from 0.2 to 1.5 T