PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-12:13:00
G02     200.5          13.5                4.8 +/-    2.44      12.5 +/-    2.44  0.050 / 0.080
G06     170.8          48.9                6.2 +/-    0.64       7.9 +/-    0.64  0.050 / 0.080
G13     229.5          16.8                6.8 +/-    3.84      16.3 +/-    3.84  0.080 / 0.390
G17     11.1           65.7                3.6 +/-    0.93       3.9 +/-    0.93  0.110 / 0.270
G19     310.6          72.3                3.9 +/-    0.67       4.1 +/-    0.67  0.040 / 0.040
G24     313.3          24.7                4.4 +/-    2.63       8.6 +/-    2.63  0.030 / 0.040
G28     75.9           48.1                2.7 +/-    0.63       3.4 +/-    0.63  0.050 / 0.040
G30     156.8          20.5                5.7 +/-    1.69      12.4 +/-    1.69  0.050 / 0.040