PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-07:27:50
G02     200.7          28.9                5.6 +/-    1.99      10.1 +/-    1.99  0.270 / 0.390
G06     165.0          61.6                7.2 +/-    0.73       8.0 +/-    0.73  0.260 / 0.630
G12     303.7          12.7                3.9 +/-    1.60      10.3 +/-    1.60  0.100 / 0.190
G17     29.6           54.2                4.4 +/-    1.13       5.3 +/-    1.13  0.130 / 0.240
G19     350.1          68.5                3.0 +/-    0.67       3.2 +/-    0.67  0.050 / 0.080
G24     305.4          32.9                2.7 +/-    1.90       4.4 +/-    1.90  0.050 / 0.080
G28     89.6           42.9                6.7 +/-    0.74       9.3 +/-    0.74  0.050 / 0.060
G30     158.9          11.4                6.3 +/-    2.33      17.2 +/-    2.33  0.070 / 0.050