PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-06:42:30
G08     300.7          21.2                5.7 +/-    2.05      12.2 +/-    2.05  0.090 / 0.150
G10     355.5          62.5                3.5 +/-    0.57       3.9 +/-    0.57  0.090 / 0.130
G14     225.4          37.3                7.1 +/-    1.04      10.9 +/-    1.04  0.050 / 0.090
G20     70.7           44.4                5.0 +/-    2.24       6.7 +/-    2.24  0.050 / 0.090
G21     143.6          46.3                6.8 +/-    0.61       9.0 +/-    0.61  0.050 / 0.090
G24     60.8           27.4                3.5 +/-    1.81       6.6 +/-    1.81  0.050 / 0.080
G27     260.0          34.0                7.9 +/-    1.05      12.8 +/-    1.05  0.050 / 0.090
G32     237.6          65.2                7.6 +/-    0.90       8.3 +/-    0.90  0.090 / 0.110