PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-19:12:50
G01     47.1           23.1               11.4 +/-    2.18      23.2 +/-    2.18  0.070 / 0.120
G06     176.1          30.0               14.1 +/-    1.94      24.7 +/-    1.94  0.090 / 0.130
G11     44.0           12.2               10.3 +/-    2.79      27.5 +/-    2.79  0.210 / 0.000
G13     246.5          28.1               14.6 +/-    1.41      26.5 +/-    1.41  0.310 / 0.320
G15     280.9          14.7               11.5 +/-    0.75      28.8 +/-    0.75  0.060 / 0.080
G17     322.3          77.1               14.1 +/-    0.49      14.4 +/-    0.49  0.050 / 0.080
G19     252.2          61.1               14.5 +/-    0.83      16.4 +/-    0.83  0.110 / 0.170
G24     318.6          11.8              -11.5 +/-   32.85     -30.9 +/-   32.85  0.060 / 0.150
G28     58.5           51.2               13.8 +/-    1.03      17.1 +/-    1.03  0.130 / 0.130
G30     151.4          37.1               13.3 +/-    0.71      20.3 +/-    0.71  0.090 / 0.110