PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-09:58:10
G02     234.7          72.6                6.3 +/-    0.47       6.6 +/-    0.47  0.030 / 0.040
G05     174.5          12.3                2.8 +/-    2.52       7.3 +/-    2.52  0.040 / 0.040
G06     41.3           62.1                4.8 +/-    0.67       5.4 +/-    0.67  0.110 / 0.270
G12     321.4          49.2                4.8 +/-    0.43       6.1 +/-    0.43  0.150 / 0.290
G17     69.9           21.6                6.1 +/-    2.49      12.9 +/-    2.49  0.100 / 0.090
G19     51.9           42.5                6.3 +/-    0.95       8.8 +/-    0.95  0.090 / 0.090
G24     242.6          35.9                6.5 +/-    1.65      10.1 +/-    1.65  0.220 / 0.400
G25     316.2          14.9                1.1 +/-    3.17       2.7 +/-    3.17  0.310 / 0.510