PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-16:28:10
G01     126.1          12.5               16.0 +/-    4.22      42.1 +/-    4.22  0.040 / 0.080
G07     55.6           69.6               14.7 +/-    0.57      15.6 +/-    0.57  0.040 / 0.050
G08     50.3           40.0               12.2 +/-    0.89      17.8 +/-    0.89  0.040 / 0.040
G09     177.8          34.4               13.6 +/-    0.65      21.8 +/-    0.65  0.030 / 0.030
G11     117.6          35.9               15.4 +/-    0.43      24.0 +/-    0.43  0.100 / 0.350
G13     320.8          12.6               11.4 +/-    1.60      30.1 +/-    1.60  0.090 / 0.300
G17     200.9          14.2               16.6 +/-    2.74      42.0 +/-    2.74  0.030 / 0.050
G18     102.9          17.2               14.2 +/-    1.52      33.4 +/-    1.52  0.030 / 0.040
G28     278.4          53.6               15.3 +/-    1.10      18.5 +/-    1.10  0.060 / 0.110
G30     335.0          61.9               13.6 +/-    0.43      15.2 +/-    0.43  0.070 / 0.130