PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-10:58:10
G02     200.9          14.4                4.2 +/-    1.42      10.7 +/-    1.42  0.080 / 0.150
G06     171.5          50.0                7.4 +/-    1.30       9.4 +/-    1.30  0.110 / 0.150
G13     229.7          15.8                4.2 +/-    3.11      10.3 +/-    3.11  0.090 / 0.150
G17     20.2           61.3                5.0 +/-    0.55       5.6 +/-    0.55  0.090 / 0.130
G19     296.8          69.6                4.8 +/-    1.00       5.1 +/-    1.00  0.080 / 0.290
G24     310.8          29.5                5.8 +/-    1.81      10.4 +/-    1.81  0.090 / 0.210
G28     82.4           42.9                5.4 +/-    0.36       7.5 +/-    0.36  0.040 / 0.060
G30     157.2          19.8                6.0 +/-    1.76      13.2 +/-    1.76  0.040 / 0.060