PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-02:27:50
G01     255.3          37.3                7.4 +/-    0.99      11.3 +/-    0.99  0.050 / 0.040
G03     316.5          39.0                4.0 +/-    1.18       5.9 +/-    1.18  0.050 / 0.050
G11     239.1          13.8                8.3 +/-    2.23      21.1 +/-    2.23  0.070 / 0.070
G14     55.9           43.5                3.9 +/-    0.76       5.4 +/-    0.76  0.060 / 0.090
G18     222.2          29.9                8.3 +/-    0.85      14.7 +/-    0.85  0.190 / 0.400
G22     308.6          61.9                4.9 +/-    0.67       5.5 +/-    0.67  0.150 / 0.520
G25     40.9           10.4                3.0 +/-    1.86       8.3 +/-    1.86  0.060 / 0.080
G26     138.6          35.3                8.1 +/-    0.89      12.8 +/-    0.89  0.050 / 0.080
G31     42.4           61.8                4.4 +/-    0.60       4.9 +/-    0.60  0.080 / 0.080
G32     74.7           24.3                4.8 +/-    0.34       9.5 +/-    0.34  0.080 / 0.080