PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-20:42:50
G02     210.4          51.6               14.4 +/-    0.63      17.8 +/-    0.63  0.070 / 0.090
G06     86.5           78.5               13.6 +/-    0.80      13.8 +/-    0.80  0.070 / 0.070
G12     316.1          30.4               10.9 +/-    1.62      18.9 +/-    1.62  0.050 / 0.060
G17     49.4           39.1               10.3 +/-    0.44      15.1 +/-    0.44  0.050 / 0.070
G19     26.2           56.0               11.8 +/-    0.67      14.0 +/-    0.67  0.070 / 0.130
G24     275.8          42.7               11.8 +/-    0.75      16.5 +/-    0.75  0.060 / 0.120
G28     116.9          19.5               13.1 +/-    1.26      29.1 +/-    1.26  0.040 / 0.070