PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-18:58:00
G01     54.2           28.1               11.7 +/-    0.45      21.4 +/-    0.45  0.090 / 0.360
G06     178.0          21.4                3.3 +/-   46.88       7.0 +/-   46.88  0.110 / 0.410
G07     144.7          17.1               17.8 +/-    1.22      42.0 +/-    1.22  0.090 / 0.240
G11     46.1           19.4               11.7 +/-    1.36      26.0 +/-    1.36  0.070 / 0.180
G13     255.7          32.8               15.5 +/-    1.23      25.7 +/-    1.23  0.030 / 0.030
G15     289.2          15.9               11.5 +/-    1.99      27.9 +/-    1.99  0.040 / 0.040
G17     278.5          77.3               16.0 +/-    0.71      16.3 +/-    0.71  0.050 / 0.060
G19     239.1          54.0               16.8 +/-    0.74      20.3 +/-    0.74  0.060 / 0.060
G28     45.5           54.6               14.5 +/-    0.84      17.4 +/-    0.84  0.110 / 0.230
G30     147.3          45.9               15.8 +/-    1.04      21.0 +/-    1.04  0.090 / 0.220