PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-19:12:30
G01     42.4           18.1                7.7 +/-    1.19      17.8 +/-    1.19  0.070 / 0.130
G06     174.4          37.8               11.0 +/-    0.80      16.6 +/-    0.80  0.060 / 0.160
G13     239.6          23.5                9.5 +/-    1.18      19.3 +/-    1.18  0.110 / 0.210
G15     274.2          12.8               10.3 +/-    1.52      27.0 +/-    1.52  0.110 / 0.190
G17     349.9          73.1                9.1 +/-    0.56       9.5 +/-    0.56  0.130 / 0.270
G19     267.7          66.1                8.1 +/-    0.95       8.8 +/-    0.95  0.100 / 0.230
G24     317.0          17.9                8.5 +/-    1.45      19.7 +/-    1.45  0.040 / 0.040
G28     68.7           47.9                8.3 +/-    0.26      10.7 +/-    0.26  0.040 / 0.040
G30     154.0          29.7               11.1 +/-    2.07      19.5 +/-    2.07  0.040 / 0.080