Fig. 1
From: Investigation of geomagnetic reference models based on the Iridium\(^{\circledR }\) constellation
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40623-022-01574-w/MediaObjects/40623_2022_1574_Fig1_HTML.png)
Example of daily timeseries of residuals for SV102 on 2019-04-15 in the NEC frame. The green lines are raw residuals, and the blue lines are calibrated residuals relative to CHAOS-7.2