PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-19:43:10
G08     316.5          15.2                8.4 +/-    2.05      20.8 +/-    2.05  0.050 / 0.080
G10     313.6          56.5                9.4 +/-    1.12      11.1 +/-    1.12  0.050 / 0.080
G14     213.2          20.9               11.3 +/-    3.69      24.3 +/-    3.69  0.030 / 0.040
G15     45.8           22.4                7.4 +/-    0.71      15.4 +/-    0.71  0.030 / 0.050
G20     16.0           63.8                9.4 +/-    0.57      10.4 +/-    0.57  0.140 / 0.230
G21     120.9          65.6               11.7 +/-    0.66      12.7 +/-    0.66  0.080 / 0.230
G24     82.5           28.4                9.3 +/-    0.85      16.8 +/-    0.85  0.120 / 0.300
G27     290.5          36.5               10.4 +/-    1.35      16.1 +/-    1.35  0.170 / 0.400
G32     215.4          42.3               12.3 +/-    1.36      17.3 +/-    1.36  0.050 / 0.120