PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-08:27:30
G02     204.4          36.6                6.0 +/-    1.10       9.3 +/-    1.10  0.190 / 0.200
G06     157.4          71.4                7.0 +/-    0.54       7.3 +/-    0.54  0.120 / 0.150
G12     308.8          17.4                5.6 +/-    2.58      13.2 +/-    2.58  0.060 / 0.100
G17     40.7           44.9                4.0 +/-    1.07       5.4 +/-    1.07  0.110 / 0.090
G19     0.7            64.8                4.0 +/-    0.52       4.3 +/-    0.52  0.040 / 0.040
G24     290.1          42.3                5.8 +/-    3.01       8.2 +/-    3.01  0.050 / 0.040
G28     104.1          31.0                6.3 +/-    0.92      10.8 +/-    0.92  0.070 / 0.120