Fig. 4
From: Data agreement analysis and correction of comparative geomagnetic vector observations
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40623-022-01583-9/MediaObjects/40623_2022_1583_Fig4_HTML.png)
Daily correction effect. The figure shows the daily geomagnetic variations and the vector differences on June 17, 2020, at YUL a before corrections (see explanations in Fig. 1) and b after attitude angle corrections only, c after both attitude angle and scale factor corrections