PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-12:43:10
G02     29.4           58.1                4.0 +/-    0.72       4.7 +/-    0.72  0.020 / 0.020
G05     148.6          59.0                4.9 +/-    0.48       5.6 +/-    0.48  0.020 / 0.020
G06     52.4           17.7                1.4 +/-    3.16       3.3 +/-    3.16  0.200 / 0.250
G12     200.5          70.0                3.3 +/-    0.34       3.5 +/-    0.34  0.210 / 0.130
G19     97.2           13.4                3.6 +/-    2.22       9.3 +/-    2.22  0.050 / 0.040
G25     295.1          56.2                3.5 +/-    1.71       4.1 +/-    1.71  0.040 / 0.040
G29     306.0          26.8                3.8 +/-    2.00       7.1 +/-    2.00  0.150 / 0.230