PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-13:13:10
G08     276.3          19.5                4.2 +/-    1.02       9.3 +/-    1.02  0.200 / 0.310
G10     49.9           60.6                3.9 +/-    1.07       4.4 +/-    1.07  0.350 / 0.220
G11     316.5          11.1               -4.3 +/-    9.86     -11.6 +/-    9.86  0.110 / 0.120
G14     253.8          60.5                5.6 +/-    0.49       6.4 +/-    0.49  0.090 / 0.110
G21     153.1          19.3                3.9 +/-    1.36       8.8 +/-    1.36  0.100 / 0.210
G24     42.4           14.4                2.8 +/-    3.49       7.1 +/-    3.49  0.150 / 0.240
G27     235.2          19.3                4.6 +/-    4.33      10.3 +/-    4.33  0.040 / 0.040
G31     178.6          25.7                5.6 +/-    1.13      10.8 +/-    1.13  0.040 / 0.040
G32     321.7          76.0                4.4 +/-    0.40       4.5 +/-    0.40  0.150 / 0.250