PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-11:12:30
G02     265.4          79.2                3.1 +/-    0.98       3.1 +/-    0.98  0.090 / 0.160
G05     171.5          20.2                4.4 +/-    1.65       9.7 +/-    1.65  0.080 / 0.160
G06     39.6           52.1                2.3 +/-    0.85       2.8 +/-    0.85  0.080 / 0.140
G12     320.8          59.4                2.9 +/-    0.57       3.3 +/-    0.57  0.070 / 0.130
G17     77.4           16.2                2.9 +/-    1.20       7.1 +/-    1.20  0.030 / 0.040
G19     61.5           36.9                3.5 +/-    0.66       5.3 +/-    0.66  0.030 / 0.040
G24     234.0          29.9                4.3 +/-    1.90       7.5 +/-    1.90  0.040 / 0.040
G25     317.3          22.5                0.2 +/-    1.37       0.5 +/-    1.37  0.040 / 0.050