PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-04:13:10
G01     295.4          39.0                3.1 +/-    1.27       4.5 +/-    1.27  0.060 / 0.120
G03     310.3          12.7                4.0 +/-    4.00      10.6 +/-    4.00  0.050 / 0.120
G10     116.8          31.3                6.1 +/-    1.07      10.4 +/-    1.07  0.060 / 0.080
G11     268.0          26.9                5.5 +/-    1.30      10.2 +/-    1.30  0.070 / 0.090
G14     16.1           61.7                3.4 +/-    0.62       3.8 +/-    0.62  0.040 / 0.060
G18     258.1          48.8                4.9 +/-    0.88       6.3 +/-    0.88  0.040 / 0.050
G22     313.0          34.6                3.8 +/-    1.47       6.1 +/-    1.47  0.090 / 0.230
G25     69.8           18.3                2.4 +/-    0.75       5.5 +/-    0.75  0.080 / 0.190
G31     133.7          77.0                6.0 +/-    0.85       6.1 +/-    0.85  0.050 / 0.110
G32     49.1           42.9                3.2 +/-    0.30       4.4 +/-    0.30  0.070 / 0.120