PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-06:43:00
G01     284.8          41.2                5.1 +/-    0.73       7.3 +/-    0.73  0.050 / 0.080
G03     313.4          20.3                4.6 +/-    4.79      10.1 +/-    4.79  0.060 / 0.090
G10     123.2          24.9                7.0 +/-    1.24      13.7 +/-    1.24  0.040 / 0.060
G11     260.0          24.3                8.9 +/-    1.33      17.7 +/-    1.33  0.050 / 0.050
G14     26.9           57.8                4.0 +/-    0.64       4.7 +/-    0.64  0.120 / 0.190
G18     246.5          45.3                8.3 +/-    1.99      11.2 +/-    1.99  0.080 / 0.190
G22     314.6          43.6                5.7 +/-    1.71       7.8 +/-    1.71  0.050 / 0.080
G25     61.9           18.5                3.0 +/-    0.68       6.9 +/-    0.68  0.050 / 0.080
G31     88.0           78.5                8.2 +/-    0.61       8.3 +/-    0.61  0.060 / 0.090
G32     56.5           37.4                4.0 +/-    0.85       6.1 +/-    0.85  0.050 / 0.120