PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-15:43:10
G01     118.7          17.3               10.4 +/-    1.28      24.5 +/-    1.28  0.030 / 0.040
G07     87.9           62.3               10.7 +/-    0.40      11.9 +/-    0.40  0.030 / 0.050
G08     45.4           32.7                8.3 +/-    0.71      13.8 +/-    0.71  0.090 / 0.300
G09     177.7          27.8               11.2 +/-    2.55      20.5 +/-    2.55  0.110 / 0.320
G11     106.4          40.6               11.2 +/-    0.90      16.2 +/-    0.90  0.040 / 0.060
G13     317.5          20.1               10.9 +/-    1.68      24.0 +/-    1.68  0.040 / 0.070
G17     201.3          23.0                9.9 +/-    1.26      20.4 +/-    1.26  0.040 / 0.080
G18     93.1           20.6                9.8 +/-    1.04      21.3 +/-    1.04  0.050 / 0.080
G28     284.3          53.7               10.9 +/-    0.79      13.2 +/-    0.79  0.090 / 0.180
G30     354.0          70.8               11.0 +/-    0.60      11.6 +/-    0.60  0.080 / 0.200