PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-01:57:30
G02     204.3          39.8                7.2 +/-    1.43      10.4 +/-    1.43  0.070 / 0.120
G06     167.0          69.7                5.7 +/-    0.41       6.1 +/-    0.41  0.050 / 0.090
G12     308.7          16.4                3.9 +/-    2.91       9.4 +/-    2.91  0.030 / 0.030
G17     41.3           44.4                3.1 +/-    1.18       4.2 +/-    1.18  0.040 / 0.030
G19     8.4            63.0                4.5 +/-    0.62       5.0 +/-    0.62  0.060 / 0.060
G24     290.6          41.3                8.0 +/-    3.82      11.4 +/-    3.82  0.050 / 0.060
G28     104.7          31.5                5.5 +/-    0.60       9.4 +/-    0.60  0.300 / 0.220