PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-07:58:10
G01     128.3          10.5              -13.8 +/-   32.07     -38.1 +/-   32.07  0.040 / 0.050
G07     50.6           69.3                6.2 +/-    0.49       6.6 +/-    0.49  0.030 / 0.040
G08     50.4           38.8                4.5 +/-    1.13       6.7 +/-    1.13  0.090 / 0.210
G11     118.3          34.7                7.8 +/-    1.29      12.5 +/-    1.29  0.110 / 0.230
G13     321.4          10.7               -8.5 +/-   11.13     -23.3 +/-   11.13  0.030 / 0.040
G17     199.0          15.0                3.2 +/-    1.77       8.0 +/-    1.77  0.030 / 0.030
G18     103.6          15.9                5.6 +/-    1.17      13.6 +/-    1.17  0.120 / 0.580
G23     161.2          10.3                4.7 +/-    2.67      13.0 +/-    2.67  0.210 / 0.360
G28     272.5          51.2                4.9 +/-    0.79       6.1 +/-    0.79  0.210 / 0.360
G30     329.0          57.9                3.5 +/-    0.60       4.1 +/-    0.60  0.050 / 0.070