PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-05:12:40
G01     305.8          34.0                4.8 +/-    1.10       7.7 +/-    1.10  0.060 / 0.120
G10     106.8          40.3                5.5 +/-    0.48       8.0 +/-    0.48  0.070 / 0.110
G11     278.1          29.7                6.0 +/-    1.16      10.5 +/-    1.16  0.040 / 0.050
G14     3.5            65.6                4.7 +/-    0.90       5.1 +/-    0.90  0.030 / 0.060
G18     117.5          15.0                3.8 +/-    2.18       9.6 +/-    2.18  0.070 / 0.120
G22     310.0          27.2                1.8 +/-    1.19       3.3 +/-    1.19  0.070 / 0.120
G25     76.2           16.0                5.1 +/-    1.57      12.4 +/-    1.57  0.050 / 0.060
G31     166.5          65.9                6.2 +/-    0.90       6.7 +/-    0.90  0.040 / 0.040
G32     35.8           52.7                4.0 +/-    0.41       4.9 +/-    0.41  0.080 / 0.270