PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/30-09:12:40
G01     105.4          26.3                5.8 +/-    1.03      11.0 +/-    1.03  0.030 / 0.030
G07     109.9          56.1                7.0 +/-    0.66       8.2 +/-    0.66  0.030 / 0.040
G08     41.5           17.0                3.4 +/-    1.82       8.1 +/-    1.82  0.020 / 0.020
G11     84.8           42.4                7.1 +/-    1.56       9.9 +/-    1.56  0.020 / 0.020
G13     308.1          30.0                4.6 +/-    1.66       8.0 +/-    1.66  0.090 / 0.150
G17     205.8          41.4                7.2 +/-    0.39      10.2 +/-    0.39  0.090 / 0.140
G18     76.9           24.0                3.5 +/-    2.03       7.1 +/-    2.03  0.090 / 0.150
G19     210.1          10.8               -2.3 +/-    1.09      -6.3 +/-    1.09  0.080 / 0.130
G28     318.9          60.9                4.5 +/-    0.64       5.1 +/-    0.64  0.070 / 0.140
G30     22.0           78.6                5.9 +/-    0.66       6.0 +/-    0.66  0.080 / 0.160