PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-00:42:40
G01     88.1           32.3                6.8 +/-    1.58      11.4 +/-    1.58  0.050 / 0.030
G07     127.1          44.2                9.1 +/-    0.95      12.4 +/-    0.95  0.050 / 0.050
G11     69.7           40.9                5.8 +/-    0.79       8.3 +/-    0.79  0.100 / 0.100
G13     293.3          36.0                6.9 +/-    1.69      10.8 +/-    1.69  0.080 / 0.090
G15     313.6          11.3                3.8 +/-   11.64      10.3 +/-   11.64  0.090 / 0.040
G17     216.4          53.5                8.2 +/-    0.92       9.9 +/-    0.92  0.050 / 0.040
G19     215.5          29.0                8.6 +/-    1.46      15.5 +/-    1.46  0.060 / 0.050
G28     354.1          61.5                5.3 +/-    0.87       5.9 +/-    0.87  0.050 / 0.050
G30     114.3          70.5                7.9 +/-    0.47       8.4 +/-    0.47  0.050 / 0.070