PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-14:42:50
G02     43.2           46.8                5.6 +/-    0.67       7.4 +/-    0.67  0.020 / 0.040
G05     120.2          68.8                7.3 +/-    0.72       7.7 +/-    0.72  0.020 / 0.030
G06     59.0           11.1                6.9 +/-    1.59      18.8 +/-    1.59  0.090 / 0.110
G12     193.0          57.0                8.9 +/-    1.02      10.4 +/-    1.02  0.080 / 0.120
G20     200.7          36.0                9.5 +/-    1.32      14.7 +/-    1.32  0.020 / 0.050
G25     276.0          58.7                8.7 +/-    0.80      10.0 +/-    0.80  0.030 / 0.040
G29     318.1          41.5                7.8 +/-    1.23      11.0 +/-    1.23  0.190 / 0.320