PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-06:57:50
G01     109.1          24.4                7.3 +/-    1.27      14.5 +/-    1.27  0.040 / 0.050
G07     103.9          58.8                7.2 +/-    0.80       8.3 +/-    0.80  0.030 / 0.040
G08     42.1           21.3                2.9 +/-    2.52       6.1 +/-    2.52  0.030 / 0.030
G09     175.2          15.6                5.9 +/-    3.06      14.6 +/-    3.06  0.030 / 0.030
G11     91.8           41.8                7.2 +/-    0.53      10.2 +/-    0.53  0.140 / 0.360
G13     312.3          25.8                3.7 +/-    1.89       7.1 +/-    1.89  0.110 / 0.210
G17     204.6          37.3                8.1 +/-    0.66      12.3 +/-    0.66  0.090 / 0.090
G19     208.3          12.3                1.7 +/-    7.94       4.4 +/-    7.94  0.060 / 0.080
G28     314.9          60.7                4.4 +/-    1.04       5.0 +/-    1.04  0.160 / 0.370
G30     16.7           76.7                5.8 +/-    0.56       6.0 +/-    0.56  0.210 / 0.330