PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-16:27:50
G01     67.5           32.5                9.0 +/-    1.51      14.9 +/-    1.51  0.050 / 0.100
G07     139.0          28.5               11.5 +/-    1.23      20.7 +/-    1.23  0.050 / 0.150
G11     51.7           28.5                8.4 +/-    1.25      15.2 +/-    1.25  0.030 / 0.040
G13     270.7          37.1               10.9 +/-    2.69      16.7 +/-    2.69  0.030 / 0.040
G15     301.8          14.8                5.3 +/-    1.35      13.3 +/-    1.35  0.060 / 0.100
G17     238.7          70.7               11.2 +/-    0.36      11.8 +/-    0.36  0.070 / 0.130
G18     46.8           16.7                8.2 +/-    1.95      19.5 +/-    1.95  0.030 / 0.030
G19     226.2          42.0               11.2 +/-    2.08      15.8 +/-    2.08  0.030 / 0.030
G28     24.5           58.6                7.8 +/-    1.24       9.0 +/-    1.24  0.090 / 0.130
G30     138.5          59.5               11.5 +/-    0.57      13.1 +/-    0.57  0.060 / 0.120