PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-04:27:50
G02     202.8          37.9                6.6 +/-    0.90       9.9 +/-    0.90  0.080 / 0.120
G06     164.6          68.7                4.4 +/-    0.32       4.7 +/-    0.32  0.060 / 0.110
G12     307.9          14.9                1.1 +/-    2.51       2.7 +/-    2.51  0.040 / 0.020
G17     36.1           49.3                2.7 +/-    1.53       3.4 +/-    1.53  0.030 / 0.030
G19     5.2            64.2                2.9 +/-    0.62       3.1 +/-    0.62  0.040 / 0.030
G24     297.5          38.1                3.6 +/-    1.69       5.4 +/-    1.69  0.040 / 0.040
G28     104.1          29.8                4.7 +/-    0.80       8.3 +/-    0.80  0.130 / 0.270