PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-09:12:50
G01     112.7          22.2                6.3 +/-    1.22      13.1 +/-    1.22  0.040 / 0.060
G07     97.6           61.6                5.4 +/-    0.67       6.1 +/-    0.67  0.050 / 0.060
G08     42.3           23.4                2.3 +/-    0.91       4.7 +/-    0.91  0.100 / 0.170
G09     172.5          14.5                4.7 +/-    1.76      11.9 +/-    1.76  0.100 / 0.190
G11     95.3           42.0                6.8 +/-    0.56       9.6 +/-    0.56  0.020 / 0.040
G13     313.6          25.1                3.2 +/-    1.20       6.3 +/-    1.20  0.020 / 0.030
G17     203.0          33.6                6.9 +/-    1.05      11.3 +/-    1.05  0.080 / 0.180
G18     85.1           22.9                3.5 +/-    0.68       7.2 +/-    0.68  0.080 / 0.190
G28     304.3          59.2                4.3 +/-    0.64       5.0 +/-    0.64  0.080 / 0.200
G30     356.8          73.4                5.6 +/-    0.63       5.9 +/-    0.63  0.090 / 0.200