PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-02:13:00
G02     231.2          73.5                7.1 +/-    0.43       7.4 +/-    0.43  0.030 / 0.040
G05     172.5          13.1                9.1 +/-    3.92      23.6 +/-    3.92  0.030 / 0.040
G06     42.5           63.7                4.7 +/-    0.55       5.1 +/-    0.55  0.220 / 0.270
G12     321.1          46.5                6.4 +/-    0.88       8.5 +/-    0.88  0.190 / 0.210
G17     65.2           28.4                4.6 +/-    2.88       8.3 +/-    2.88  0.050 / 0.090
G19     52.0           42.0                5.6 +/-    1.45       7.9 +/-    1.45  0.060 / 0.090
G24     250.9          37.3                8.6 +/-    1.10      13.0 +/-    1.10  0.020 / 0.030