PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-14:58:10
G02     206.8          38.9               10.5 +/-    0.75      15.5 +/-    0.75  0.120 / 0.080
G06     131.4          76.5               10.0 +/-    0.78      10.3 +/-    0.78  0.070 / 0.080
G12     312.9          25.8                5.8 +/-    1.31      11.2 +/-    1.31  0.070 / 0.110
G17     44.1           42.3                7.6 +/-    1.44      10.7 +/-    1.44  0.110 / 0.120
G19     7.2            62.9                8.3 +/-    0.34       9.2 +/-    0.34  0.040 / 0.030
G24     287.2          42.1                4.7 +/-    2.30       6.6 +/-    2.30  0.030 / 0.020
G28     108.9          26.6                9.2 +/-    1.45      17.4 +/-    1.45  0.040 / 0.040