PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-11:27:50
G02     27.2           59.9                4.4 +/-    0.94       5.0 +/-    0.94  0.040 / 0.030
G05     150.6          56.6                6.3 +/-    0.67       7.4 +/-    0.67  0.040 / 0.030
G06     50.7           20.5                3.1 +/-    2.28       6.6 +/-    2.28  0.030 / 0.060
G12     207.9          73.3                6.2 +/-    0.51       6.5 +/-    0.51  0.040 / 0.050
G19     95.0           14.8                5.0 +/-    1.51      12.5 +/-    1.51  0.070 / 0.150
G25     298.5          55.1                3.5 +/-    1.32       4.2 +/-    1.32  0.060 / 0.140
G29     304.2          25.2                3.8 +/-    1.63       7.4 +/-    1.63  0.040 / 0.030