PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-15:58:00
G07     14.1           68.0               11.8 +/-    0.56      12.7 +/-    0.56  0.040 / 0.060
G08     65.0           49.5               12.2 +/-    0.91      15.5 +/-    0.91  0.040 / 0.060
G09     179.5          49.6               15.5 +/-    1.74      19.7 +/-    1.74  0.030 / 0.040
G11     130.9          27.2               15.1 +/-    0.98      28.0 +/-    0.98  0.030 / 0.040
G18     115.1          10.0               -8.5 +/-   26.01     -23.7 +/-   26.01  0.080 / 0.220
G23     158.9          16.6               14.8 +/-    1.53      35.4 +/-    1.53  0.090 / 0.210
G27     40.5           17.2                9.8 +/-    0.93      23.2 +/-    0.93  0.040 / 0.060
G28     258.8          45.4               13.7 +/-    0.75      18.4 +/-    0.75  0.040 / 0.060
G30     320.4          50.7               12.9 +/-    0.88      16.2 +/-    0.88  0.080 / 0.190