PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-21:57:40
G08     318.6          12.7                6.5 +/-    1.61      17.2 +/-    1.61  0.030 / 0.050
G10     319.0          58.0                7.2 +/-    0.98       8.4 +/-    0.98  0.030 / 0.060
G14     213.9          20.5               15.0 +/-    3.64      32.5 +/-    3.64  0.060 / 0.080
G15     45.8           18.6                5.8 +/-    0.85      13.2 +/-    0.85  0.060 / 0.100
G20     22.0           62.9                7.1 +/-    0.50       7.9 +/-    0.50  0.150 / 0.320
G21     123.0          66.0               10.2 +/-    0.59      11.0 +/-    0.59  0.120 / 0.270
G24     85.6           30.1                9.8 +/-    0.65      17.1 +/-    0.65  0.050 / 0.130
G27     286.8          37.8                7.8 +/-    1.13      11.8 +/-    1.13  0.060 / 0.140
G32     216.1          44.0               12.2 +/-    2.22      16.7 +/-    2.22  0.090 / 0.130