PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-19:12:20
G02     202.9          33.2               13.1 +/-    0.95      21.6 +/-    0.95  0.070 / 0.100
G06     162.5          67.1                9.8 +/-    0.70      10.6 +/-    0.70  0.110 / 0.090
G12     305.7          12.5                8.9 +/-    1.86      23.6 +/-    1.86  0.100 / 0.120
G17     33.6           50.9               10.1 +/-    1.13      12.6 +/-    1.13  0.090 / 0.100
G19     0.7            65.6                9.2 +/-    0.70      10.0 +/-    0.70  0.080 / 0.100
G24     298.7          37.5                8.1 +/-    3.23      12.3 +/-    3.23  0.060 / 0.090
G28     98.4           36.5               11.3 +/-    0.99      17.4 +/-    0.99  0.170 / 0.290