PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-15:58:20
G01     128.0          10.9               -8.2 +/-   42.66     -22.3 +/-   42.66  0.030 / 0.050
G07     48.1           69.8                6.5 +/-    3.91       6.8 +/-    3.91  0.030 / 0.050
G08     52.1           41.6                5.5 +/-    2.85       7.8 +/-    2.85  0.030 / 0.040
G09     177.9          36.9                9.1 +/-    3.98      14.0 +/-    3.98  0.030 / 0.040
G11     120.0          34.5                8.6 +/-    4.06      13.7 +/-    4.06  0.050 / 0.050
G13     321.4          10.6               -7.9 +/-   14.95     -21.8 +/-   14.95  0.050 / 0.050
G17     200.5          12.1                8.3 +/-   10.49      22.0 +/-   10.49  0.200 / 0.330
G18     105.1          16.0                9.0 +/-    1.36      21.7 +/-    1.36  0.100 / 0.340
G28     274.6          52.3                8.3 +/-    3.55      10.2 +/-    3.55  0.060 / 0.100
G30     331.9          59.7                6.0 +/-    4.17       6.8 +/-    4.17  0.070 / 0.130