PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/23-15:57:40
G01     295.3          38.9                6.9 +/-    2.55      10.3 +/-    2.55  0.050 / 0.060
G03     311.3          17.3                8.5 +/-    2.52      19.9 +/-    2.52  0.050 / 0.070
G10     116.9          31.8                9.3 +/-    0.98      15.7 +/-    0.98  0.050 / 0.050
G11     272.3          26.3                7.5 +/-    1.71      14.3 +/-    1.71  0.050 / 0.070
G14     15.5           61.8                8.7 +/-    0.64       9.7 +/-    0.64  0.100 / 0.120
G22     313.4          37.1                7.9 +/-    1.53      12.1 +/-    1.53  0.080 / 0.120
G25     71.1           19.0                8.3 +/-    1.82      18.6 +/-    1.82  0.020 / 0.020
G26     158.0          10.9               -2.7 +/-   38.12      -7.3 +/-   38.12  0.030 / 0.020
G31     140.5          76.9               10.2 +/-    0.72      10.4 +/-    0.72  0.060 / 0.070
G32     48.4           43.7                8.2 +/-    1.02      11.2 +/-    1.02  0.080 / 0.070