PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-15:27:40
G05     50.6           13.5                4.7 +/-    2.14      12.0 +/-    2.14  0.170 / 0.240
G10     239.4          15.3                8.8 +/-    1.77      21.6 +/-    1.77  0.060 / 0.130
G13     70.8           36.6                9.2 +/-    0.90      14.2 +/-    0.90  0.110 / 0.190
G15     113.5          54.8               10.2 +/-    0.45      12.1 +/-    0.45  0.080 / 0.180
G16     313.9          11.3                4.2 +/-    2.00      11.5 +/-    2.00  0.040 / 0.030
G18     251.3          47.6                9.1 +/-    3.10      11.9 +/-    3.10  0.030 / 0.040
G20     28.9           64.1                8.0 +/-    0.63       8.8 +/-    0.63  0.300 / 0.450
G21     322.7          54.1                7.9 +/-    0.48       9.6 +/-    0.48  0.340 / 0.540
G26     285.3          19.1                8.7 +/-    1.19      19.6 +/-    1.19  0.040 / 0.040
G29     156.2          61.7               10.1 +/-    0.61      11.3 +/-    0.61  0.030 / 0.040