PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-21:43:00
G01     320.3          15.3                8.4 +/-    1.94      20.7 +/-    1.94  0.200 / 0.390
G08     263.9          16.1                9.5 +/-    3.92      23.1 +/-    3.92  0.160 / 0.550
G10     72.4           54.3                9.4 +/-    0.43      11.3 +/-    0.43  0.040 / 0.050
G11     309.5          18.3               10.2 +/-    1.74      23.3 +/-    1.74  0.040 / 0.070
G14     272.9          66.4               10.6 +/-    0.78      11.4 +/-    0.78  0.170 / 0.390
G20     101.5          31.2               11.4 +/-    0.61      19.4 +/-    0.61  0.170 / 0.440
G21     156.0          11.0               11.8 +/-    1.72      32.3 +/-    1.72  0.190 / 0.360
G27     227.9          12.8               13.2 +/-    6.38      34.5 +/-    6.38  0.220 / 0.610
G31     176.2          36.6               13.3 +/-    1.26      20.5 +/-    1.26  0.190 / 0.440
G32     358.0          71.0               10.2 +/-    0.81      10.7 +/-    0.81  0.180 / 0.330