PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-19:43:00
G02     200.4          20.3               16.7 +/-    1.65      36.4 +/-    1.65  0.150 / 0.330
G06     169.3          54.7               13.9 +/-    1.32      16.6 +/-    1.32  0.150 / 0.320
G13     227.4          13.2               16.6 +/-    5.66      43.1 +/-    5.66  0.080 / 0.120
G17     18.5           61.5               10.8 +/-    0.59      12.1 +/-    0.59  0.080 / 0.130
G19     315.0          70.6               10.6 +/-    0.70      11.2 +/-    0.70  0.030 / 0.050
G24     309.9          29.9                9.4 +/-    2.23      16.5 +/-    2.23  0.030 / 0.040
G28     87.8           39.8               12.6 +/-    0.39      18.3 +/-    0.39  0.090 / 0.190
G30     157.1          14.8               13.4 +/-    1.16      33.6 +/-    1.16  0.100 / 0.180