PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-03:12:50
G01     314.1          27.7                5.1 +/-    1.64       9.4 +/-    1.64  0.130 / 0.170
G10     94.9           45.3                6.1 +/-    0.69       8.2 +/-    0.69  0.090 / 0.150
G11     293.4          26.0                5.2 +/-    0.85      10.0 +/-    0.85  0.030 / 0.050
G14     326.4          70.7                6.3 +/-    0.67       6.6 +/-    0.67  0.040 / 0.040
G18     292.1          47.5                5.6 +/-    0.85       7.3 +/-    0.85  0.060 / 0.050
G20     113.8          21.6                5.1 +/-    1.14      10.7 +/-    1.14  0.060 / 0.050
G22     305.9          17.4                5.2 +/-    2.06      12.2 +/-    2.06  0.050 / 0.070
G25     93.1           12.6                3.3 +/-    1.27       8.8 +/-    1.27  0.050 / 0.070
G31     170.5          54.7                7.1 +/-    1.45       8.5 +/-    1.45  0.200 / 0.410
G32     22.8           60.6                3.8 +/-    0.46       4.3 +/-    0.46  0.200 / 0.310