PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/26-19:58:10
G07     336.1          59.0               14.9 +/-    0.44      17.1 +/-    0.44  0.230 / 0.110
G08     101.4          53.5               14.9 +/-    0.78      18.1 +/-    0.78  0.090 / 0.080
G09     190.7          71.6               15.4 +/-    0.78      16.1 +/-    0.78  0.220 / 0.130
G11     146.1          14.1               20.4 +/-    2.61      51.8 +/-    2.61  0.050 / 0.080
G23     155.3          35.9               15.6 +/-    1.33      24.4 +/-    1.33  0.050 / 0.030
G27     52.2           29.8               13.0 +/-    1.24      22.9 +/-    1.24  0.030 / 0.020
G28     239.7          32.1               19.1 +/-    2.62      32.0 +/-    2.62  0.110 / 0.130
G30     305.8          39.1               14.5 +/-    1.17      21.5 +/-    1.17  0.090 / 0.120