PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-18:12:50
G02     200.2          16.0               11.8 +/-   21.25      28.6 +/-   21.25  0.060 / 0.180
G06     170.6          50.8               13.3 +/-   34.66      16.6 +/-   34.66  0.070 / 0.160
G13     230.1          15.7                8.0 +/-    9.92      19.6 +/-    9.92  0.110 / 0.300
G17     15.2           63.7               10.3 +/-   35.25      11.3 +/-   35.25  0.090 / 0.320
G19     301.0          70.3               10.6 +/-   34.82      11.1 +/-   34.82  0.040 / 0.040
G24     312.0          27.5                7.6 +/-   12.64      14.1 +/-   12.64  0.040 / 0.050
G28     83.4           42.0                5.0 +/-   13.48       7.0 +/-   13.48  0.100 / 0.250
G30     156.8          18.7               12.6 +/-   36.46      28.7 +/-   36.46  0.110 / 0.320