PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/31-07:42:30
G10     242.5          18.9                7.1 +/-    2.18      16.1 +/-    2.18  0.100 / 0.310
G13     64.7           34.9                5.7 +/-    1.32       9.0 +/-    1.32  0.110 / 0.300
G15     105.5          56.5                8.1 +/-    0.60       9.5 +/-    0.60  0.030 / 0.030
G16     305.9          14.7                0.9 +/-    3.14       2.3 +/-    3.14  0.030 / 0.040
G20     357.2          73.3                4.0 +/-    0.69       4.2 +/-    0.69  0.040 / 0.040
G21     322.9          53.7                4.5 +/-    0.78       5.5 +/-    0.78  0.030 / 0.030
G26     277.0          19.1                4.5 +/-    2.01      10.1 +/-    2.01  0.120 / 0.130
G29     161.1          61.3                7.3 +/-    0.55       8.2 +/-    0.55  0.130 / 0.130