PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-08:58:10
G01     40.3           15.2                2.9 +/-    2.09       7.1 +/-    2.09  0.130 / 0.120
G06     174.4          40.7                6.5 +/-    1.06       9.4 +/-    1.06  0.150 / 0.110
G13     235.9          21.2                6.2 +/-    2.55      13.3 +/-    2.55  0.160 / 0.300
G15     272.3          11.3                5.7 +/-    1.80      15.3 +/-    1.80  0.140 / 0.190
G17     10.2           67.6                6.1 +/-    0.54       6.6 +/-    0.54  0.060 / 0.060
G19     274.9          67.2                6.9 +/-    0.69       7.4 +/-    0.69  0.060 / 0.080
G24     314.5          23.9                2.5 +/-    1.10       4.9 +/-    1.10  0.040 / 0.030
G28     72.0           47.3                6.9 +/-    0.92       9.0 +/-    0.92  0.030 / 0.030
G30     155.6          27.6                6.4 +/-    1.39      11.7 +/-    1.39  0.110 / 0.290