PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-01:58:00
G01     319.8          16.8              -11.2 +/-   35.84     -26.7 +/-   35.84  0.040 / 0.060
G08     264.7          14.9               10.9 +/-    1.42      27.1 +/-    1.42  0.040 / 0.050
G10     76.0           53.3                8.7 +/-    0.56      10.5 +/-    0.56  0.200 / 0.400
G11     306.5          20.7                8.8 +/-    1.94      18.9 +/-    1.94  0.190 / 0.320
G14     283.3          69.1                8.1 +/-    0.55       8.6 +/-    0.55  0.040 / 0.040
G18     307.3          38.8                9.0 +/-    1.00      13.3 +/-    1.00  0.040 / 0.050
G20     102.9          31.1                9.8 +/-    0.89      16.7 +/-    0.89  0.120 / 0.220
G27     226.5          11.2               11.7 +/-    2.81      31.9 +/-    2.81  0.100 / 0.190
G31     175.2          39.7                3.0 +/-    1.10       4.4 +/-    1.10  0.140 / 0.250
G32     359.5          70.1                7.8 +/-    0.82       8.3 +/-    0.82  0.140 / 0.260