PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/26-23:27:50
G01     59.9           30.5                9.7 +/-    1.09      16.8 +/-    1.09  0.060 / 0.080
G07     142.5          22.4               13.0 +/-    2.05      27.1 +/-    2.05  0.050 / 0.090
G11     49.2           25.5                8.0 +/-    0.99      15.5 +/-    0.99  0.020 / 0.030
G13     262.8          35.0               12.5 +/-    1.94      19.8 +/-    1.94  0.030 / 0.020
G15     293.1          16.6                9.4 +/-    1.02      22.5 +/-    1.02  0.110 / 0.070
G17     253.6          73.2               10.9 +/-    0.38      11.3 +/-    0.38  0.050 / 0.080
G18     42.6           13.1                7.9 +/-    1.34      20.5 +/-    1.34  0.050 / 0.050
G19     233.1          50.7               12.9 +/-    2.21      16.1 +/-    2.21  0.040 / 0.050
G28     37.1           56.3               11.2 +/-    1.05      13.2 +/-    1.05  0.150 / 0.160
G30     143.3          49.2               12.5 +/-    0.45      16.0 +/-    0.45  0.140 / 0.180