PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-11:42:50
G02     218.2          64.0                7.1 +/-    0.61       7.8 +/-    0.61  0.210 / 0.470
G06     54.8           75.6                4.6 +/-    0.54       4.7 +/-    0.54  0.190 / 0.430
G12     319.2          37.6                2.8 +/-    1.13       4.2 +/-    1.13  0.030 / 0.070
G17     61.2           28.9                2.3 +/-    0.70       4.1 +/-    0.70  0.060 / 0.060
G19     44.8           45.9                2.0 +/-    0.56       2.6 +/-    0.56  0.050 / 0.080
G24     263.5          40.7                7.6 +/-    0.92      11.0 +/-    0.92  0.050 / 0.100
G28     125.0          10.6                5.3 +/-    3.86      14.5 +/-    3.86  0.030 / 0.030