PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/29-01:12:50
G03     215.3          58.5                6.1 +/-    1.36       7.1 +/-    1.36  0.070 / 0.060
G07     257.1          15.7                4.7 +/-    3.91      11.5 +/-    3.91  0.060 / 0.060
G09     310.3          27.9                2.5 +/-    1.94       4.6 +/-    1.94  0.140 / 0.240
G16     108.2          66.2                6.2 +/-    1.10       6.7 +/-    1.10  0.190 / 0.310
G22     189.4          42.9                6.4 +/-    0.81       8.9 +/-    0.81  0.030 / 0.030
G23     328.7          58.7                3.6 +/-    0.61       4.1 +/-    0.61  0.030 / 0.030
G26     55.6           46.1                3.0 +/-    0.83       4.0 +/-    0.83  0.080 / 0.140
G27     133.0          11.0                3.0 +/-   20.20       8.1 +/-   20.20  0.100 / 0.130
G31     58.4           12.8                1.5 +/-    3.38       3.8 +/-    3.38  0.220 / 0.360