PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-11:43:00
G01     231.2          21.6                7.3 +/-   36.98      15.6 +/-   36.98  0.060 / 0.140
G03     299.0          64.4                7.0 +/-   38.21       7.7 +/-   38.21  0.070 / 0.170
G14     78.6           31.9                6.6 +/-   39.61      11.1 +/-   39.61  0.080 / 0.160
G16     149.5          39.8                9.2 +/-   39.36      13.4 +/-   39.36  0.070 / 0.180
G18     207.7          11.7                3.0 +/-    4.58       8.0 +/-    4.58  0.030 / 0.040
G22     221.3          74.3                8.5 +/-   36.35       8.8 +/-   36.35  0.030 / 0.030
G23     304.8          36.3                6.3 +/-   38.96       9.8 +/-   38.96  0.030 / 0.050
G26     105.3          52.1                8.7 +/-   38.57      10.7 +/-   38.57  0.040 / 0.050
G31     43.7           35.6                4.5 +/-   37.77       7.0 +/-   37.77  0.040 / 0.100