PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-02:58:10
G01     320.2          14.6              -21.7 +/-   17.76     -54.5 +/-   17.76  0.090 / 0.400
G08     259.7          15.2                9.1 +/-    1.32      22.5 +/-    1.32  0.090 / 0.310
G10     73.5           55.1                6.5 +/-    0.58       7.7 +/-    0.58  0.130 / 0.580
G11     305.9          21.6                5.4 +/-    1.84      11.3 +/-    1.84  0.030 / 0.050
G14     281.8          68.6                8.5 +/-    0.51       9.0 +/-    0.51  0.040 / 0.060
G18     307.9          37.5                5.4 +/-    2.24       8.2 +/-    2.24  0.030 / 0.040
G20     80.5           60.2               21.9 +/-    0.44      24.9 +/-    0.44  0.030 / 0.040
G27     227.0          11.4               10.3 +/-    3.29      27.8 +/-    3.29  0.090 / 0.100
G31     175.0          39.5               10.9 +/-    1.26      16.0 +/-    1.26  0.080 / 0.110
G32     4.1            69.2                7.1 +/-    0.33       7.5 +/-    0.33  0.180 / 0.290