PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-20:12:30
G01     38.5           11.6               10.5 +/-    3.65      28.3 +/-    3.65  0.090 / 0.170
G02     199.6          14.1               17.4 +/-    4.51      44.3 +/-    4.51  0.080 / 0.190
G06     172.2          47.0               14.4 +/-    1.48      18.9 +/-    1.48  0.100 / 0.190
G13     232.6          17.8               17.1 +/-    3.06      39.8 +/-    3.06  0.090 / 0.190
G17     7.4            67.1               13.2 +/-    0.74      14.2 +/-    0.74  0.040 / 0.090
G19     293.0          70.1               13.7 +/-    0.35      14.5 +/-    0.35  0.040 / 0.090
G24     313.8          24.7               13.2 +/-    2.36      25.9 +/-    2.36  0.030 / 0.040
G28     79.9           43.5               12.3 +/-    0.78      16.9 +/-    0.78  0.030 / 0.040
G30     156.0          20.9               13.6 +/-    1.64      29.4 +/-    1.64  0.040 / 0.040