Figure 4
From: New approach for earthquake/tsunami monitoring using dense GPS networks
Ionospheric corrections at augmenting stations and ionospheric interpolation errors.
(a) The estimated ionospheric corrections for GPS satellite PRN 15 at the augmenting stations 0172, 0914 and 0918 during seismic shaking; (b) Ionospheric interpolation errors of PRN 15 for the station 0175.
