PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-18:57:40
G02     200.9          24.5               15.7 +/-    3.11      31.1 +/-    3.11  0.050 / 0.090
G06     169.4          57.6               14.6 +/-    0.60      17.0 +/-    0.60  0.050 / 0.070
G13     223.2          10.6               15.6 +/-    4.68      42.8 +/-    4.68  0.270 / 0.260
G17     24.9           57.5               11.4 +/-    0.83      13.3 +/-    0.83  0.160 / 0.190
G19     338.5          70.0               11.4 +/-    0.46      12.1 +/-    0.46  0.110 / 0.130
G24     306.7          32.5               11.7 +/-    2.53      19.5 +/-    2.53  0.090 / 0.110
G28     88.8           41.7               11.2 +/-    0.86      15.9 +/-    0.86  0.270 / 0.500