PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-21:12:30
G02     216.1          60.0               13.5 +/-    0.92      15.3 +/-    0.92  0.050 / 0.070
G06     56.4           73.3               11.4 +/-    0.34      11.8 +/-    0.34  0.050 / 0.080
G12     319.0          37.5               10.2 +/-    1.51      15.5 +/-    1.51  0.060 / 0.080
G17     56.2           34.0               10.0 +/-    1.53      16.2 +/-    1.53  0.070 / 0.080
G19     37.1           50.7               10.7 +/-    1.80      13.3 +/-    1.80  0.030 / 0.020
G24     264.6          41.7               13.4 +/-    1.23      18.9 +/-    1.23  0.030 / 0.030
G28     122.7          13.5               11.9 +/-    2.31      30.7 +/-    2.31  0.040 / 0.050