PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-07:43:00
G01     93.1           31.0                4.1 +/-    0.89       7.0 +/-    0.89  0.040 / 0.040
G07     123.2          46.6                5.6 +/-    0.40       7.4 +/-    0.40  0.040 / 0.040
G11     71.6           39.9                3.8 +/-    0.85       5.6 +/-    0.85  0.030 / 0.030
G13     299.0          34.0                2.6 +/-    3.16       4.1 +/-    3.16  0.050 / 0.030
G17     212.5          52.8                6.3 +/-    0.55       7.7 +/-    0.55  0.040 / 0.040
G19     213.4          26.2                4.8 +/-    1.83       9.1 +/-    1.83  0.040 / 0.040
G28     345.5          61.8                3.1 +/-    0.53       3.4 +/-    0.53  0.070 / 0.090
G30     93.7           77.3                4.5 +/-    0.26       4.6 +/-    0.26  0.060 / 0.100