PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-06:43:00
G01     300.9          36.9                4.9 +/-    1.26       7.5 +/-    1.26  0.120 / 0.190
G10     112.6          35.1                5.1 +/-    0.64       8.1 +/-    0.64  0.130 / 0.170
G11     274.3          27.7                7.8 +/-    2.04      14.3 +/-    2.04  0.080 / 0.090
G14     4.0            64.9                4.6 +/-    0.80       5.0 +/-    0.80  0.060 / 0.100
G18     266.7          49.7                4.8 +/-    3.75       6.1 +/-    3.75  0.050 / 0.050
G20     123.3          16.9                7.7 +/-    1.76      18.3 +/-    1.76  0.050 / 0.060
G22     312.2          32.6                4.3 +/-    1.63       7.2 +/-    1.63  0.040 / 0.050
G25     75.4           18.0                4.0 +/-    1.43       9.2 +/-    1.43  0.040 / 0.050
G31     149.8          73.3                6.6 +/-    0.62       6.8 +/-    0.62  0.080 / 0.090
G32     44.6           46.2                4.2 +/-    0.53       5.5 +/-    0.53  0.070 / 0.080