PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-02:28:10
G02     225.7          69.7                6.1 +/-    0.69       6.5 +/-    0.69  0.060 / 0.090
G06     45.6           72.1                3.2 +/-    0.33       3.4 +/-    0.33  0.060 / 0.100
G12     319.8          41.3                4.6 +/-    0.76       6.6 +/-    0.76  0.040 / 0.070
G17     65.0           25.5                4.0 +/-    1.28       7.6 +/-    1.28  0.040 / 0.060
G19     48.1           43.9                4.9 +/-    0.95       6.7 +/-    0.95  0.310 / 0.330
G24     251.7          38.8                6.8 +/-    2.17      10.1 +/-    2.17  0.310 / 0.370
G28     127.0          10.5                4.6 +/-    2.48      12.8 +/-    2.48  0.050 / 0.050