PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-06:57:50
G01     55.6           28.7                3.0 +/-    1.68       5.4 +/-    1.68  0.090 / 0.120
G06     179.3          18.4                5.9 +/-    1.27      13.5 +/-    1.27  0.080 / 0.150
G07     143.8          16.5                5.3 +/-    1.66      12.8 +/-    1.66  0.040 / 0.050
G11     45.8           18.8                3.2 +/-    2.36       7.2 +/-    2.36  0.040 / 0.040
G13     256.8          33.8                7.5 +/-    0.59      12.2 +/-    0.59  0.080 / 0.140
G15     291.7          15.5                3.2 +/-    0.75       7.9 +/-    0.75  0.120 / 0.140
G17     292.6          80.1                6.5 +/-    0.63       6.5 +/-    0.63  0.040 / 0.050
G19     236.5          51.8                7.9 +/-    1.99       9.8 +/-    1.99  0.040 / 0.050
G28     40.0           56.3                4.6 +/-    0.76       5.5 +/-    0.76  0.030 / 0.020
G30     147.0          49.5                7.9 +/-    1.37      10.1 +/-    1.37  0.030 / 0.020