PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-06:58:00
G01     310.6          31.3                5.5 +/-    1.85       9.3 +/-    1.85  0.130 / 0.160
G10     101.2          41.8                5.6 +/-    0.78       7.9 +/-    0.78  0.120 / 0.130
G11     286.5          27.5                5.8 +/-    0.78      10.7 +/-    0.78  0.050 / 0.050
G14     345.8          69.1                5.2 +/-    0.62       5.6 +/-    0.62  0.060 / 0.040
G18     283.1          49.8                6.2 +/-    0.42       7.9 +/-    0.42  0.090 / 0.110
G20     117.7          17.5                5.0 +/-    1.20      11.7 +/-    1.20  0.070 / 0.110
G22     308.7          23.5                4.7 +/-    1.23       9.5 +/-    1.23  0.040 / 0.050
G25     87.3           14.7                5.5 +/-    2.98      13.9 +/-    2.98  0.040 / 0.050
G31     168.4          60.3                7.6 +/-    0.80       8.6 +/-    0.80  0.120 / 0.230
G32     27.3           58.0                4.8 +/-    0.67       5.5 +/-    0.67  0.140 / 0.180