PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-23:27:50
G08     294.3          23.4                9.8 +/-    1.10      20.0 +/-    1.10  0.060 / 0.120
G10     3.5            62.9                9.4 +/-    0.34      10.4 +/-    0.34  0.050 / 0.120
G14     227.9          43.7               13.6 +/-    1.13      18.7 +/-    1.13  0.040 / 0.040
G20     62.3           53.4               10.3 +/-    0.57      12.5 +/-    0.57  0.030 / 0.030
G21     145.5          42.5               13.6 +/-    0.73      19.1 +/-    0.73  0.050 / 0.080
G24     56.0           24.8                9.4 +/-    0.69      18.5 +/-    0.69  0.050 / 0.090
G27     257.8          32.7               12.1 +/-    1.24      20.1 +/-    1.24  0.060 / 0.090
G32     242.8          67.3               11.5 +/-    0.64      12.3 +/-    0.64  0.070 / 0.100