PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-05:13:10
G10     244.7          21.2                6.8 +/-    0.93      14.6 +/-    0.93  0.120 / 0.560
G13     61.2           33.7                4.9 +/-    0.56       8.0 +/-    0.56  0.140 / 0.560
G15     101.1          57.4                5.4 +/-    0.65       6.3 +/-    0.65  0.050 / 0.050
G16     302.3          15.4                0.2 +/-    2.90       0.4 +/-    2.90  0.060 / 0.050
G20     290.0          68.8                4.2 +/-    0.40       4.5 +/-    0.40  0.080 / 0.150
G21     325.0          55.0                3.3 +/-    0.79       3.9 +/-    0.79  0.090 / 0.170
G26     273.6          18.3                4.1 +/-    0.72       9.3 +/-    0.72  0.040 / 0.040
G29     162.7          58.7                6.2 +/-    0.65       7.2 +/-    0.65  0.040 / 0.050