PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-11:28:10
G01     127.9          10.9               -9.9 +/-   34.80     -27.1 +/-   34.80  0.050 / 0.050
G07     49.4           69.6                4.6 +/-    0.45       4.9 +/-    0.45  0.050 / 0.060
G08     50.4           38.8                2.9 +/-    0.77       4.2 +/-    0.77  0.030 / 0.040
G09     176.4          35.1                5.5 +/-    2.16       8.7 +/-    2.16  0.030 / 0.030
G11     118.2          34.7                5.3 +/-    0.74       8.4 +/-    0.74  0.250 / 0.350
G13     321.3          10.9               -5.2 +/-   18.72     -14.3 +/-   18.72  0.200 / 0.300
G17     199.3          14.8                0.9 +/-    3.06       2.3 +/-    3.06  0.100 / 0.220
G18     104.3          16.0                3.8 +/-    1.15       9.3 +/-    1.15  0.100 / 0.240
G28     274.0          52.1                4.7 +/-    0.85       5.8 +/-    0.85  0.130 / 0.580
G30     329.6          58.3                2.1 +/-    0.67       2.4 +/-    0.67  0.140 / 0.460