PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-12:27:40
G01     39.1           13.5                3.8 +/-    4.48       9.8 +/-    4.48  0.310 / 0.210
G06     172.8          42.1                6.3 +/-    1.08       8.8 +/-    1.08  0.240 / 0.320
G13     234.4          21.0                5.4 +/-    1.13      11.6 +/-    1.13  0.030 / 0.030
G15     269.8          11.2                4.4 +/-    1.30      11.8 +/-    1.30  0.030 / 0.030
G17     359.1          70.6                5.5 +/-    0.82       5.8 +/-    0.82  0.090 / 0.120
G19     287.9          71.5                5.2 +/-    0.80       5.4 +/-    0.80  0.120 / 0.120
G24     315.9          20.0                3.0 +/-    2.54       6.6 +/-    2.54  0.130 / 0.280
G28     67.4           50.9                3.9 +/-    1.61       4.9 +/-    1.61  0.130 / 0.170
G30     155.5          26.2                4.6 +/-    1.41       8.7 +/-    1.41  0.060 / 0.080