PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-01:57:50
G08     314.3          16.4                8.2 +/-    3.14      19.7 +/-    3.14  0.070 / 0.090
G10     320.5          58.0                9.7 +/-    0.74      11.2 +/-    0.74  0.070 / 0.080
G14     215.3          23.0               17.8 +/-    1.17      36.4 +/-    1.17  0.120 / 0.300
G15     46.0           18.3                5.8 +/-    0.50      13.3 +/-    0.50  0.110 / 0.280
G20     332.3          62.0               10.0 +/-    0.77      11.2 +/-    0.77  0.060 / 0.110
G21     126.6          64.0               10.3 +/-    0.74      11.3 +/-    0.74  0.060 / 0.110
G24     79.9           29.5                8.7 +/-    1.14      15.5 +/-    1.14  0.030 / 0.030
G27     283.3          37.6               10.6 +/-    0.91      16.0 +/-    0.91  0.040 / 0.040
G32     218.1          48.0               13.4 +/-    1.90      17.3 +/-    1.90  0.040 / 0.040