PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-16:27:40
G01     52.0           26.7               12.7 +/-   33.19      23.8 +/-   33.19  0.040 / 0.060
G06     177.0          24.2               17.1 +/-   33.66      34.1 +/-   33.66  0.050 / 0.070
G07     145.6          14.6               16.1 +/-   33.27      40.4 +/-   33.27  0.070 / 0.130
G11     45.1           16.6                5.5 +/-   12.41      13.1 +/-   12.41  0.080 / 0.100
G13     252.7          31.6               19.0 +/-   33.02      32.2 +/-   33.02  0.140 / 0.250
G15     288.1          15.3               13.9 +/-   36.86      34.4 +/-   36.86  0.160 / 0.340
G17     299.9          78.8               20.7 +/-   34.07      21.1 +/-   34.07  0.140 / 0.210
G19     241.8          55.2               20.1 +/-   32.62      23.8 +/-   32.62  0.120 / 0.360
G28     49.0           53.8               17.4 +/-   32.97      21.0 +/-   32.97  0.030 / 0.060
G30     148.9          44.4               17.5 +/-   32.90      23.8 +/-   32.90  0.030 / 0.060