PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-18:27:50
G01     62.5           31.4               11.7 +/-    1.49      20.0 +/-    1.49  0.100 / 0.230
G07     141.3          24.6               13.8 +/-    0.98      27.2 +/-    0.98  0.100 / 0.190
G11     49.5           25.8               10.6 +/-    2.43      20.4 +/-    2.43  0.060 / 0.140
G13     265.3          36.0               15.0 +/-    1.74      23.3 +/-    1.74  0.070 / 0.150
G15     297.0          15.8               12.3 +/-    1.04      30.1 +/-    1.04  0.040 / 0.040
G17     248.4          72.8               14.8 +/-    0.89      15.4 +/-    0.89  0.040 / 0.040
G18     43.9           14.4               10.1 +/-    1.35      25.6 +/-    1.35  0.090 / 0.070
G19     230.2          46.7               16.0 +/-    2.36      21.1 +/-    2.36  0.080 / 0.060
G28     32.3           57.3               14.9 +/-    0.79      17.3 +/-    0.79  0.120 / 0.290
G30     142.1          54.3               15.4 +/-    0.36      18.4 +/-    0.36  0.110 / 0.320