PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/09-15:27:40
G03     190.8          22.5               10.3 +/-    2.26      21.4 +/-    2.26  0.100 / 0.170
G07     287.4          35.5               10.6 +/-    1.09      16.6 +/-    1.09  0.090 / 0.190
G08     146.1          24.8               12.9 +/-    1.00      25.3 +/-    1.00  0.030 / 0.040
G09     320.7          59.9               10.3 +/-    0.53      11.7 +/-    0.53  0.020 / 0.040
G16     43.3           39.7                8.0 +/-    0.43      11.6 +/-    0.43  0.040 / 0.100
G23     112.9          76.5               10.4 +/-    1.26      10.7 +/-    1.26  0.040 / 0.090
G26     43.2           11.9                7.5 +/-    2.62      20.0 +/-    2.62  0.150 / 0.220
G27     102.2          32.6               11.7 +/-    0.60      19.5 +/-    0.60  0.140 / 0.320
G30     272.1          11.9                9.6 +/-    5.82      25.8 +/-    5.82  0.100 / 0.190