PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/30-01:42:30
G03     250.4          69.2                3.8 +/-    0.67       4.0 +/-    0.67  0.030 / 0.040
G09     303.3          20.4                2.8 +/-    2.14       6.1 +/-    2.14  0.030 / 0.040
G14     97.4           16.1                3.5 +/-    2.64       8.6 +/-    2.64  0.120 / 0.450
G16     130.0          56.8                6.2 +/-    0.75       7.3 +/-    0.75  0.130 / 0.410
G22     199.5          59.0                6.1 +/-    1.15       7.0 +/-    1.15  0.050 / 0.060
G23     315.8          45.3                4.4 +/-    0.99       5.9 +/-    0.99  0.050 / 0.080
G26     74.3           53.1                4.0 +/-    0.45       4.9 +/-    0.45  0.040 / 0.060
G31     50.6           22.8                0.9 +/-    0.50       1.8 +/-    0.50  0.030 / 0.060