PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-10:27:50
G01     290.9          40.9                5.6 +/-    0.88       8.1 +/-    0.88  0.070 / 0.090
G03     312.6          20.9                3.9 +/-    1.78       8.4 +/-    1.78  0.060 / 0.080
G10     119.3          27.8                4.3 +/-    0.70       7.9 +/-    0.70  0.040 / 0.070
G11     264.6          25.5                6.6 +/-    1.84      12.7 +/-    1.84  0.060 / 0.080
G14     24.5           58.8                3.8 +/-    0.34       4.4 +/-    0.34  0.080 / 0.110
G18     250.3          47.9                7.0 +/-    1.23       9.1 +/-    1.23  0.080 / 0.110
G22     314.7          41.9                3.7 +/-    1.23       5.2 +/-    1.23  0.050 / 0.060
G25     67.1           18.3                1.7 +/-    0.94       3.8 +/-    0.94  0.050 / 0.070
G31     132.5          78.3                5.7 +/-    0.59       5.9 +/-    0.59  0.090 / 0.200
G32     46.8           46.0                3.5 +/-    0.98       4.7 +/-    0.98  0.110 / 0.220