PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-02:57:40
G02     223.2          68.0                3.5 +/-    0.83       3.8 +/-    0.83  0.050 / 0.070
G06     48.5           74.3                2.6 +/-    0.51       2.7 +/-    0.51  0.050 / 0.070
G12     319.4          39.8                3.0 +/-    0.68       4.3 +/-    0.68  0.110 / 0.490
G17     63.7           26.4                2.8 +/-    1.27       5.2 +/-    1.27  0.110 / 0.490
G19     46.1           45.1                3.2 +/-    0.47       4.3 +/-    0.47  0.080 / 0.090
G24     253.5          39.5                3.6 +/-    1.61       5.3 +/-    1.61  0.070 / 0.080
G28     126.0          11.7                3.5 +/-    1.61       9.4 +/-    1.61  0.040 / 0.060