PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-07:43:00
G01     233.6          23.8                7.6 +/-    1.74      15.3 +/-    1.74  0.040 / 0.040
G03     305.2          59.9                3.9 +/-    1.02       4.5 +/-    1.02  0.030 / 0.040
G14     76.9           31.8                4.7 +/-    0.44       8.0 +/-    0.44  0.060 / 0.110
G16     150.8          37.1                7.2 +/-    0.86      11.0 +/-    0.86  0.070 / 0.140
G18     208.9          13.6                5.0 +/-    5.50      12.8 +/-    5.50  0.050 / 0.060
G22     246.9          75.6                2.8 +/-    0.81       2.9 +/-    0.81  0.040 / 0.050
G23     300.8          31.7                4.1 +/-    0.94       7.0 +/-    0.94  0.060 / 0.100
G26     110.2          50.9                6.8 +/-    0.71       8.5 +/-    0.71  0.060 / 0.100
G31     42.8           38.3                1.5 +/-    0.60       2.3 +/-    0.60  0.140 / 0.210
G32     92.8           10.2                3.0 +/-    3.09       8.5 +/-    3.09  0.120 / 0.320