PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-20:28:10
G07     41.8           69.8               12.3 +/-    1.06      13.0 +/-    1.06  0.070 / 0.070
G08     56.0           46.0               10.3 +/-    0.67      13.7 +/-    0.67  0.050 / 0.080
G09     179.3          40.1               14.9 +/-    0.79      21.7 +/-    0.79  0.070 / 0.120
G11     123.9          33.0               15.3 +/-    1.39      25.2 +/-    1.39  0.060 / 0.130
G18     107.1          15.0               14.3 +/-    2.28      35.5 +/-    2.28  0.160 / 0.250
G28     272.3          51.6               14.0 +/-    1.37      17.3 +/-    1.37  0.130 / 0.250
G30     332.8          60.0               12.2 +/-    1.37      13.8 +/-    1.37  0.030 / 0.040