PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-22:28:10
G08     313.8          17.0                9.8 +/-    2.36      23.2 +/-    2.36  0.030 / 0.040
G10     320.8          58.0                9.0 +/-    0.41      10.4 +/-    0.41  0.040 / 0.040
G14     215.1          24.2               14.3 +/-    2.27      28.4 +/-    2.27  0.160 / 0.400
G15     46.0           20.6                8.8 +/-    2.67      19.1 +/-    2.67  0.250 / 0.310
G20     25.0           62.7                9.8 +/-    1.35      10.9 +/-    1.35  0.070 / 0.080
G21     126.9          63.0               11.7 +/-    0.34      12.9 +/-    0.34  0.060 / 0.080
G24     78.6           29.1               10.6 +/-    0.72      19.0 +/-    0.72  0.070 / 0.110
G27     284.4          37.3               10.2 +/-    0.94      15.5 +/-    0.94  0.080 / 0.280
G32     218.1          47.2               13.1 +/-    1.12      17.1 +/-    1.12  0.140 / 0.250