PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-17:57:50
G10     300.0          52.3                9.5 +/-    1.37      11.7 +/-    1.37  0.060 / 0.060
G14     210.9          14.4               11.8 +/-    5.10      29.8 +/-    5.10  0.060 / 0.070
G15     45.6           25.0               10.0 +/-    1.97      19.6 +/-    1.97  0.220 / 0.430
G18     7.4            65.2                9.7 +/-    0.60      10.6 +/-    0.60  0.220 / 0.420
G20     72.4           18.3                9.0 +/-    2.71      20.5 +/-    2.71  0.060 / 0.110
G21     109.2          67.9               11.8 +/-    0.95      12.6 +/-    0.95  0.090 / 0.120
G24     96.4           27.4               10.0 +/-    1.33      18.4 +/-    1.33  0.100 / 0.190
G27     296.4          35.9               10.7 +/-    2.13      16.7 +/-    2.13  0.110 / 0.220
G32     212.1          33.0               11.7 +/-    2.36      19.3 +/-    2.36  0.030 / 0.040