PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-11:42:20
G02     225.0          69.7                6.2 +/-    0.47       6.6 +/-    0.47  0.050 / 0.080
G06     45.4           70.4                4.5 +/-    0.52       4.8 +/-    0.52  0.050 / 0.080
G12     320.5          42.8                4.0 +/-    0.84       5.6 +/-    0.84  0.070 / 0.080
G17     65.7           25.5                3.7 +/-    3.32       7.2 +/-    3.32  0.060 / 0.080
G19     50.7           42.3                3.5 +/-    1.13       4.9 +/-    1.13  0.050 / 0.040
G24     256.3          38.8                5.2 +/-    2.28       7.7 +/-    2.28  0.030 / 0.040