PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-00:28:00
G02     200.1          25.0               12.1 +/-    2.90      23.7 +/-    2.90  0.080 / 0.110
G06     170.1          56.8               11.8 +/-    0.78      13.8 +/-    0.78  0.070 / 0.100
G13     225.7          11.3               12.6 +/-    1.93      34.1 +/-    1.93  0.310 / 0.420
G17     19.4           60.6                8.5 +/-    0.92       9.6 +/-    0.92  0.240 / 0.420
G19     330.5          70.3                8.2 +/-    0.42       8.6 +/-    0.42  0.040 / 0.040
G24     308.3          31.3                9.8 +/-    1.69      16.7 +/-    1.69  0.030 / 0.030
G28     91.5           37.7               10.3 +/-    0.99      15.5 +/-    0.99  0.060 / 0.090
G30     156.7          10.1               10.8 +/-   14.62      30.1 +/-   14.62  0.040 / 0.090