PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-20:57:50
G02     236.8          74.1               10.6 +/-    0.83      11.0 +/-    0.83  0.030 / 0.040
G05     171.9          14.7               15.1 +/-    2.22      37.8 +/-    2.22  0.040 / 0.030
G06     41.0           61.7               11.7 +/-    1.08      13.1 +/-    1.08  0.090 / 0.100
G12     320.7          47.3               10.1 +/-    0.66      13.1 +/-    0.66  0.120 / 0.090
G17     68.3           24.2               10.3 +/-    1.30      20.5 +/-    1.30  0.050 / 0.060
G19     55.2           39.1                9.6 +/-    1.47      14.2 +/-    1.47  0.040 / 0.050
G24     247.2          35.8               14.1 +/-    2.15      22.0 +/-    2.15  0.100 / 0.100