PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-02:58:00
G02     290.5          81.7                3.0 +/-    0.86       3.0 +/-    0.86  0.080 / 0.130
G05     167.7          24.5                5.6 +/-    2.81      11.1 +/-    2.81  0.100 / 0.150
G06     38.3           54.7                3.9 +/-    0.70       4.6 +/-    0.70  0.040 / 0.040
G12     319.8          58.2                2.9 +/-    1.14       3.3 +/-    1.14  0.030 / 0.050
G17     78.6           15.6                4.0 +/-    1.21       9.9 +/-    1.21  0.080 / 0.120
G19     65.2           33.3                2.4 +/-    2.73       3.9 +/-    2.73  0.080 / 0.100
G24     234.3          28.9                7.1 +/-    2.25      12.7 +/-    2.25  0.040 / 0.020
G25     317.4          21.8                2.5 +/-    1.78       5.3 +/-    1.78  0.030 / 0.030