PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-02:13:10
G08     318.5          13.1                7.3 +/-    1.48      19.0 +/-    1.48  0.050 / 0.080
G10     310.7          55.7                8.5 +/-    0.63      10.1 +/-    0.63  0.050 / 0.070
G14     213.1          17.5               14.7 +/-    2.47      34.3 +/-    2.47  0.070 / 0.320
G15     45.7           23.0                5.7 +/-    0.71      11.7 +/-    0.71  0.110 / 0.360
G20     329.2          62.0               10.1 +/-    0.36      11.3 +/-    0.36  0.040 / 0.050
G21     117.0          69.0                9.5 +/-    1.11      10.1 +/-    1.11  0.030 / 0.040
G24     86.6           28.8                8.7 +/-    0.63      15.7 +/-    0.63  0.090 / 0.150
G27     290.6          36.9               10.1 +/-    1.16      15.5 +/-    1.16  0.080 / 0.130
G32     214.4          42.3               14.1 +/-    1.51      19.7 +/-    1.51  0.030 / 0.050