PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-16:27:50
G02     228.9          68.4                9.6 +/-    0.69      10.2 +/-    0.69  0.250 / 0.380
G05     174.4          10.8               -1.5 +/-   26.86      -4.2 +/-   26.86  0.340 / 0.450
G06     42.9           63.6                7.2 +/-    0.54       7.9 +/-    0.54  0.070 / 0.080
G12     320.5          45.3                8.9 +/-    0.59      11.9 +/-    0.59  0.060 / 0.080
G19     52.0           40.8                8.9 +/-    1.31      12.7 +/-    1.31  0.050 / 0.060
G24     252.6          37.5               12.2 +/-    1.67      18.5 +/-    1.67  0.060 / 0.060
G28     127.7          11.2               11.4 +/-    3.56      31.1 +/-    3.56  0.060 / 0.080