PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-05:27:50
G01     315.3          26.0                2.8 +/-    0.97       5.4 +/-    0.97  0.070 / 0.160
G10     92.4           46.7                4.3 +/-    0.67       5.7 +/-    0.67  0.070 / 0.170
G11     294.8          25.9                5.2 +/-    1.76      10.0 +/-    1.76  0.100 / 0.180
G14     323.1          71.1                5.6 +/-    0.44       5.9 +/-    0.44  0.090 / 0.210
G18     294.4          46.7                4.7 +/-    1.14       6.2 +/-    1.14  0.030 / 0.050
G20     112.4          23.1                3.4 +/-    2.56       6.9 +/-    2.56  0.040 / 0.060
G22     305.3          17.1                5.4 +/-    1.32      12.7 +/-    1.32  0.050 / 0.040
G25     94.5           11.8               -5.9 +/-   28.68     -15.9 +/-   28.68  0.040 / 0.050
G31     171.9          52.3                6.8 +/-    1.25       8.3 +/-    1.25  0.150 / 0.350
G32     18.1           62.8                4.7 +/-    0.39       5.2 +/-    0.39  0.180 / 0.390