PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-09:57:40
G02     229.0          71.7                5.6 +/-    0.49       5.9 +/-    0.49  0.030 / 0.050
G06     43.2           63.9                4.3 +/-    0.62       4.7 +/-    0.62  0.030 / 0.040
G12     321.7          49.1                3.7 +/-    0.52       4.7 +/-    0.52  0.070 / 0.100
G17     65.2           25.9                3.1 +/-    2.10       5.9 +/-    2.10  0.080 / 0.080
G19     51.9           40.6                3.2 +/-    1.43       4.6 +/-    1.43  0.140 / 0.380
G24     254.0          37.7                6.0 +/-    1.29       9.1 +/-    1.29  0.180 / 0.410
G28     127.1          13.3                5.8 +/-    2.74      15.0 +/-    2.74  0.110 / 0.090