PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-06:43:10
G01     118.3          18.4                4.4 +/-    1.05      10.0 +/-    1.05  0.040 / 0.040
G07     85.2           64.9                6.3 +/-    0.63       6.9 +/-    0.63  0.040 / 0.040
G08     43.8           28.4                1.9 +/-    0.74       3.4 +/-    0.74  0.030 / 0.040
G09     173.9          21.3                5.5 +/-    0.82      11.7 +/-    0.82  0.030 / 0.030
G11     103.4          40.4                7.6 +/-    0.74      11.0 +/-    0.74  0.100 / 0.420
G13     317.1          20.5                5.1 +/-    3.66      11.1 +/-    3.66  0.160 / 0.340
G17     200.9          27.7                5.3 +/-    1.56       9.8 +/-    1.56  0.100 / 0.180
G18     90.9           21.0                5.2 +/-    0.91      11.1 +/-    0.91  0.130 / 0.230
G28     292.1          56.9                6.1 +/-    0.67       7.1 +/-    0.67  0.170 / 0.350
G30     344.4          68.3                3.7 +/-    0.84       4.0 +/-    0.84  0.160 / 0.360