PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-06:12:50
G08     271.5          19.3                6.6 +/-    1.13      14.7 +/-    1.13  0.120 / 0.270
G10     57.5           58.4                4.1 +/-    0.51       4.7 +/-    0.51  0.100 / 0.340
G14     260.1          64.8                6.2 +/-    0.52       6.8 +/-    0.52  0.140 / 0.360
G18     313.6          30.6                5.9 +/-    1.21      10.2 +/-    1.21  0.170 / 0.320
G20     92.7           38.5                4.5 +/-    0.76       6.7 +/-    0.76  0.020 / 0.030
G21     154.5          18.1                5.3 +/-    2.69      12.2 +/-    2.69  0.030 / 0.030
G24     40.9           11.7                2.7 +/-    2.23       7.4 +/-    2.23  0.050 / 0.070
G27     234.9          18.4                7.0 +/-    1.31      16.0 +/-    1.31  0.050 / 0.060
G31     178.3          27.9                5.5 +/-    0.55      10.0 +/-    0.55  0.230 / 0.270
G32     315.7          75.2                6.3 +/-    0.83       6.5 +/-    0.83  0.210 / 0.240