PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-19:42:20
G02     207.2          45.4               16.1 +/-    1.13      21.6 +/-    1.13  0.060 / 0.080
G06     133.5          78.0               15.9 +/-    0.72      16.2 +/-    0.72  0.060 / 0.080
G12     311.8          21.6               14.3 +/-    3.09      30.3 +/-    3.09  0.080 / 0.190
G17     44.3           42.5               13.0 +/-    0.61      18.2 +/-    0.61  0.080 / 0.160
G19     21.6           58.0               14.8 +/-    0.49      17.1 +/-    0.49  0.040 / 0.080
G24     284.5          41.7               14.8 +/-    0.95      21.0 +/-    0.95  0.050 / 0.080
G28     109.7          28.7               12.9 +/-    1.08      23.3 +/-    1.08  0.080 / 0.200