PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/02-17:58:10
G02     58.7           34.1                9.4 +/-    2.92      15.2 +/-    2.92  0.350 / 0.500
G05     57.5           61.6               10.9 +/-    0.83      12.2 +/-    0.83  0.300 / 0.440
G12     183.7          31.8               11.7 +/-    1.01      19.7 +/-    1.01  0.070 / 0.100
G13     125.8          15.6               12.1 +/-    1.83      29.8 +/-    1.83  0.050 / 0.100
G15     163.9          12.9               13.7 +/-    2.89      35.8 +/-    2.89  0.040 / 0.080
G21     272.2          17.0               12.1 +/-    2.29      28.7 +/-    2.29  0.070 / 0.090
G25     236.6          51.5               12.7 +/-    2.54      15.8 +/-    2.54  0.020 / 0.040
G29     329.2          55.1                9.9 +/-    0.47      11.7 +/-    0.47  0.030 / 0.040