PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-19:28:10
G08     313.0          17.2               10.5 +/-    2.02      24.8 +/-    2.02  0.070 / 0.090
G10     321.7          58.0               12.5 +/-    0.75      14.5 +/-    0.75  0.050 / 0.070
G14     215.8          27.1               16.2 +/-    1.37      30.2 +/-    1.37  0.040 / 0.050
G15     46.0           13.8               10.3 +/-    0.92      26.4 +/-    0.92  0.050 / 0.060
G18     32.7           60.7               12.7 +/-    0.74      14.4 +/-    0.74  0.060 / 0.110
G21     129.3          57.4               16.5 +/-    1.05      19.1 +/-    1.05  0.060 / 0.110
G24     81.0           30.5               14.9 +/-    0.67      25.8 +/-    0.67  0.080 / 0.160
G27     279.4          38.1               12.2 +/-    0.88      18.3 +/-    0.88  0.080 / 0.190
G32     219.8          45.7               17.4 +/-    1.24      23.3 +/-    1.24  0.040 / 0.070