PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-15:12:50
G01     93.3           31.1               10.7 +/-    1.09      18.4 +/-    1.09  0.030 / 0.020
G07     123.0          47.9               10.6 +/-    0.44      13.7 +/-    0.44  0.020 / 0.020
G08     42.2           9.5                 6.5 +/-    4.14      18.4 +/-    4.14  0.080 / 0.120
G11     71.4           40.6                9.6 +/-    0.75      13.9 +/-    0.75  0.070 / 0.140
G13     297.4          35.2               10.1 +/-    2.76      16.0 +/-    2.76  0.030 / 0.050
G17     212.7          50.5               12.2 +/-    1.02      15.3 +/-    1.02  0.040 / 0.050
G18     66.3           24.2                9.8 +/-    0.92      19.6 +/-    0.92  0.100 / 0.100
G19     213.7          22.1               10.9 +/-    1.85      22.7 +/-    1.85  0.100 / 0.130
G28     343.6          61.9                9.4 +/-    0.69      10.5 +/-    0.69  0.080 / 0.090
G30     91.5           78.4               10.8 +/-    0.58      11.0 +/-    0.58  0.080 / 0.100