PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-16:12:30
G01     128.8          10.3               -5.9 +/-   42.80     -16.4 +/-   42.80  0.050 / 0.050
G07     44.7           69.8               14.7 +/-    0.61      15.6 +/-    0.61  0.040 / 0.050
G08     53.1           42.6               13.6 +/-    0.70      19.0 +/-    0.70  0.030 / 0.030
G09     178.1          38.1               15.3 +/-    0.80      23.0 +/-    0.80  0.030 / 0.030
G11     121.3          33.9               16.0 +/-    1.93      25.9 +/-    1.93  0.030 / 0.040
G17     200.4          10.9               -3.3 +/-   23.73      -9.2 +/-   23.73  0.030 / 0.030
G18     106.1          15.5               15.4 +/-    0.89      37.8 +/-    0.89  0.180 / 0.260
G28     273.0          51.8               15.6 +/-    2.62      19.2 +/-    2.62  0.130 / 0.290
G30     330.8          58.9               13.3 +/-    0.75      15.3 +/-    0.75  0.340 / 0.350