PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/20-05:43:00
G01     319.9          16.3               -5.7 +/-   28.31     -13.7 +/-   28.31  0.140 / 0.370
G08     262.1          15.0                7.5 +/-    1.24      18.7 +/-    1.24  0.120 / 0.270
G10     75.7           53.5                3.5 +/-    0.42       4.2 +/-    0.42  0.130 / 0.350
G11     305.8          21.4                3.5 +/-    1.78       7.5 +/-    1.78  0.130 / 0.370
G14     286.2          70.0                4.5 +/-    0.76       4.7 +/-    0.76  0.040 / 0.040
G18     307.0          39.1                5.6 +/-    0.97       8.2 +/-    0.97  0.040 / 0.050
G20     102.7          31.4                6.1 +/-    1.46      10.3 +/-    1.46  0.040 / 0.060
G27     227.0          11.3                4.1 +/-    3.28      11.2 +/-    3.28  0.040 / 0.050
G31     175.8          39.1                5.8 +/-    1.31       8.5 +/-    1.31  0.110 / 0.280
G32     353.8          70.9                4.5 +/-    0.79       4.7 +/-    0.79  0.120 / 0.250