PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-02:42:50
G02     238.7          75.5                5.1 +/-    0.34       5.3 +/-    0.34  0.090 / 0.080
G05     171.8          15.1                4.6 +/-    1.10      11.5 +/-    1.10  0.150 / 0.070
G06     40.2           65.6                3.1 +/-    0.45       3.4 +/-    0.45  0.050 / 0.050
G12     320.7          47.5                4.3 +/-    1.32       5.6 +/-    1.32  0.040 / 0.040
G17     70.1           21.7                3.2 +/-    2.00       6.8 +/-    2.00  0.190 / 0.340
G19     54.8           39.9                3.7 +/-    1.57       5.4 +/-    1.57  0.280 / 0.390
G24     244.5          35.5                6.1 +/-    1.89       9.5 +/-    1.89  0.060 / 0.060
G25     316.1          12.7               -1.7 +/-   16.85      -4.4 +/-   16.85  0.070 / 0.080