PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-15:12:30
G02     207.1          41.2               10.6 +/-    0.95      15.1 +/-    0.95  0.080 / 0.140
G06     132.9          77.1               11.7 +/-    0.69      11.9 +/-    0.69  0.070 / 0.160
G12     311.3          21.6                7.8 +/-    2.83      16.4 +/-    2.83  0.080 / 0.190
G17     40.0           46.4                7.7 +/-    0.41      10.2 +/-    0.41  0.080 / 0.160
G19     20.0           58.7               10.8 +/-    0.85      12.4 +/-    0.85  0.050 / 0.090
G24     288.0          40.7                8.7 +/-    1.42      12.5 +/-    1.42  0.050 / 0.090
G28     107.6          31.0               10.4 +/-    1.67      17.8 +/-    1.67  0.060 / 0.080