PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-04:12:50
G08     267.4          18.3                9.4 +/-    2.03      21.6 +/-    2.03  0.270 / 0.250
G10     60.7           58.4                5.6 +/-    0.89       6.5 +/-    0.89  0.160 / 0.170
G11     311.6          17.1               -4.5 +/-   12.19     -10.6 +/-   12.19  0.140 / 0.390
G14     263.2          64.0                6.6 +/-    0.94       7.3 +/-    0.94  0.150 / 0.400
G18     312.6          31.4                5.3 +/-    1.29       9.0 +/-    1.29  0.150 / 0.280
G20     82.9           53.2               16.9 +/-    1.34      20.6 +/-    1.34  0.180 / 0.330
G21     154.9          16.5                7.3 +/-    1.61      17.5 +/-    1.61  0.040 / 0.050
G27     232.1          16.1               11.2 +/-    2.71      27.1 +/-    2.71  0.040 / 0.050
G31     176.7          31.8                9.2 +/-    1.51      15.5 +/-    1.51  0.110 / 0.200
G32     345.0          73.8                5.3 +/-    0.38       5.5 +/-    0.38  0.110 / 0.170