PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-23:27:50
G08     269.4          17.8               10.7 +/-    2.05      25.0 +/-    2.05  0.160 / 0.420
G10     65.0           56.4               10.3 +/-    1.31      12.0 +/-    1.31  0.170 / 0.530
G14     264.7          64.8               10.2 +/-    0.81      11.1 +/-    0.81  0.060 / 0.060
G18     312.0          33.2                7.8 +/-    1.18      12.8 +/-    1.18  0.040 / 0.050
G20     97.1           34.9               10.5 +/-    0.64      16.6 +/-    0.64  0.090 / 0.120
G21     155.5          15.4               12.9 +/-    1.85      31.8 +/-    1.85  0.090 / 0.120
G24     40.0           10.1                7.1 +/-    3.45      19.9 +/-    3.45  0.030 / 0.030
G27     231.2          15.7               13.9 +/-    3.84      34.0 +/-    3.84  0.020 / 0.030
G31     176.9          32.4               13.9 +/-    2.34      23.1 +/-    2.34  0.210 / 0.240
G32     343.6          73.8                9.5 +/-    0.50       9.8 +/-    0.50  0.240 / 0.290