Fig. 2
From: Investigation of geomagnetic reference models based on the Iridium\(^{\circledR }\) constellation
Histograms of calibrated residuals for SV102 on 2019-04-15 comparing all data (blue) to data sampled equatorward of 55\(^{\circ }\) quasi-dipole latitude (green). A small number of \(B_X\) and \(B_Y\) residuals at high latitudes are not shown. The \(B_X\) residuals span [-298 275] (nT) and \(B_Y\) residuals span [-494 550] (nT)