PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/01-02:13:10
G02     347.8          78.1                4.7 +/-    0.69       4.8 +/-    0.69  0.150 / 0.210
G05     163.4          34.0                8.6 +/-    1.51      14.0 +/-    1.51  0.170 / 0.110
G06     40.0           44.3                4.8 +/-    2.05       6.5 +/-    2.05  0.110 / 0.140
G12     313.2          68.1                5.6 +/-    0.58       6.0 +/-    0.58  0.110 / 0.120
G17     86.2           10.3                7.3 +/-    5.72      20.1 +/-    5.72  0.090 / 0.100
G19     74.5           27.2                5.0 +/-    1.82       9.3 +/-    1.82  0.050 / 0.090
G24     226.8          22.3                9.4 +/-    1.54      19.5 +/-    1.54  0.030 / 0.030
G25     316.8          30.1                7.3 +/-    1.18      12.8 +/-    1.18  0.030 / 0.040
G29     287.8          13.1                7.4 +/-    2.04      19.2 +/-    2.04  0.050 / 0.060