PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-15:27:40
G02     229.8          68.3                7.7 +/-    0.83       8.2 +/-    0.83  0.060 / 0.110
G05     174.5          11.0               -0.1 +/-   26.87      -0.3 +/-   26.87  0.070 / 0.100
G06     42.5           62.7                8.1 +/-    0.55       9.0 +/-    0.55  0.060 / 0.070
G12     320.8          46.4                5.9 +/-    0.90       7.8 +/-    0.90  0.050 / 0.050
G17     64.5           28.0                5.5 +/-    0.41      10.1 +/-    0.41  0.110 / 0.460
G19     52.7           40.3                7.8 +/-    0.59      11.3 +/-    0.59  0.140 / 0.420
G24     252.1          37.2               10.2 +/-    1.55      15.6 +/-    1.55  0.050 / 0.040
G28     128.1          10.9                8.0 +/-    4.11      21.7 +/-    4.11  0.040 / 0.050