PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/12-02:42:40
G01     116.5          17.6                7.2 +/-    1.74      16.9 +/-    1.74  0.030 / 0.040
G07     79.8           66.8                5.4 +/-    0.43       5.9 +/-    0.43  0.030 / 0.030
G08     44.6           30.3                2.0 +/-    0.49       3.5 +/-    0.49  0.030 / 0.030
G09     173.5          22.2                7.2 +/-    2.29      15.0 +/-    2.29  0.030 / 0.050
G11     112.1          41.5                7.5 +/-    0.62      10.6 +/-    0.62  0.160 / 0.320
G13     317.1          20.9                3.8 +/-    3.24       8.2 +/-    3.24  0.100 / 0.350
G17     200.5          25.0                6.8 +/-    0.53      13.3 +/-    0.53  0.060 / 0.090
G28     280.6          51.1                6.1 +/-    0.65       7.6 +/-    0.65  0.050 / 0.090
G30     337.9          65.6                3.5 +/-    0.75       3.8 +/-    0.75  0.070 / 0.080