PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/05-17:43:10
G08     271.3          20.3                8.1 +/-    1.67      17.6 +/-    1.67  0.400 / 0.520
G10     55.2           58.4                8.7 +/-    0.67      10.0 +/-    0.67  0.330 / 0.420
G11     316.9          10.9               -4.5 +/-   15.86     -12.2 +/-   15.86  0.050 / 0.050
G14     252.1          59.1                8.4 +/-    0.87       9.7 +/-    0.87  0.040 / 0.050
G20     92.7           36.7                8.8 +/-    0.99      13.5 +/-    0.99  0.170 / 0.300
G21     154.1          19.4                8.1 +/-    1.94      18.2 +/-    1.94  0.110 / 0.280
G24     42.5           14.2                6.6 +/-    3.01      16.9 +/-    3.01  0.180 / 0.260
G27     235.1          19.5                7.3 +/-    3.85      16.4 +/-    3.85  0.170 / 0.320
G31     179.4          25.1                9.3 +/-    2.01      18.2 +/-    2.01  0.030 / 0.030
G32     328.2          76.2                9.2 +/-    0.90       9.4 +/-    0.90  0.030 / 0.020