PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-09:28:10
G02     324.4          80.4                3.9 +/-    0.72       3.9 +/-    0.72  0.110 / 0.130
G05     167.3          29.0                6.6 +/-    0.70      11.7 +/-    0.70  0.130 / 0.260
G06     40.2           45.0                1.6 +/-    0.76       2.1 +/-    0.76  0.020 / 0.040
G12     316.0          67.0                2.3 +/-    0.67       2.5 +/-    0.67  0.030 / 0.040
G17     84.3           11.1                4.3 +/-    2.20      11.8 +/-    2.20  0.060 / 0.110
G19     70.3           31.1               -9.6 +/-    0.56     -16.4 +/-    0.56  0.060 / 0.110
G24     226.5          23.9                6.6 +/-    2.51      13.2 +/-    2.51  0.030 / 0.040