PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-18:57:30
G08     271.8          20.1               11.2 +/-    1.69      24.5 +/-    1.69  0.330 / 0.370
G10     55.3           58.4               26.5 +/-    0.87      30.5 +/-    0.87  0.250 / 0.380
G14     252.1          58.8               11.5 +/-    0.79      13.2 +/-    0.79  0.050 / 0.050
G20     92.6           37.1               10.2 +/-    0.94      15.6 +/-    0.94  0.050 / 0.060
G21     154.3          19.7                8.9 +/-    2.63      19.7 +/-    2.63  0.120 / 0.290
G24     42.5           14.1                7.5 +/-    3.78      19.2 +/-    3.78  0.170 / 0.250
G27     235.0          19.4               11.0 +/-    4.96      24.7 +/-    4.96  0.180 / 0.350
G31     179.0          25.7                9.7 +/-    1.92      18.6 +/-    1.92  0.190 / 0.390
G32     327.9          76.2               10.7 +/-    0.57      11.0 +/-    0.57  0.030 / 0.030