PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-15:57:50
G02     202.0          23.7               11.0 +/-    1.88      22.1 +/-    1.88  0.260 / 0.590
G06     164.5          61.4               10.7 +/-    0.31      12.0 +/-    0.31  0.350 / 0.600
G12     303.9          12.6                6.5 +/-    3.60      17.0 +/-    3.60  0.120 / 0.110
G17     28.6           55.0                8.6 +/-    1.17      10.2 +/-    1.17  0.130 / 0.110
G19     328.6          69.7                7.7 +/-    0.39       8.2 +/-    0.39  0.130 / 0.250
G24     305.1          34.4                7.4 +/-    2.55      11.8 +/-    2.55  0.130 / 0.210
G28     93.6           36.8                8.8 +/-    0.69      13.6 +/-    0.69  0.050 / 0.030
G30     158.1          10.9               10.6 +/-    2.28      29.0 +/-    2.28  0.050 / 0.030