PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-08:42:50
G01     125.8          12.6                4.7 +/-    2.64      12.3 +/-    2.64  0.030 / 0.020
G07     59.8           68.9                6.2 +/-    0.70       6.6 +/-    0.70  0.030 / 0.030
G08     48.3           36.4                4.1 +/-    0.79       6.3 +/-    0.79  0.050 / 0.030
G09     174.1          29.5                8.8 +/-    1.16      15.6 +/-    1.16  0.050 / 0.030
G11     114.9          36.4                7.4 +/-    0.97      11.4 +/-    0.97  0.190 / 0.380
G13     320.6          13.3                2.7 +/-    2.30       7.1 +/-    2.30  0.190 / 0.330
G17     199.4          18.0                3.2 +/-    1.36       7.4 +/-    1.36  0.140 / 0.420
G18     100.7          17.4                5.1 +/-    1.82      12.1 +/-    1.82  0.180 / 0.460
G28     277.5          53.0                5.1 +/-    3.86       6.2 +/-    3.86  0.100 / 0.270
G30     332.5          60.6                4.0 +/-    0.30       4.5 +/-    0.30  0.100 / 0.210