PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-19:27:40
G08     310.4          18.6               12.1 +/-    2.12      27.5 +/-    2.12  0.050 / 0.070
G10     327.7          59.2               11.4 +/-    1.57      13.1 +/-    1.57  0.060 / 0.080
G14     217.4          30.1               14.4 +/-    2.76      25.1 +/-    2.76  0.030 / 0.060
G15     46.5           11.1               10.2 +/-    0.86      27.9 +/-    0.86  0.040 / 0.070
G18     38.2           59.3               10.9 +/-    0.62      12.5 +/-    0.62  0.120 / 0.160
G21     132.7          54.2               14.2 +/-    0.46      17.1 +/-    0.46  0.110 / 0.210
G24     77.2           30.6               11.6 +/-    0.63      20.0 +/-    0.63  0.090 / 0.180
G27     275.1          37.8               14.1 +/-    1.11      21.2 +/-    1.11  0.080 / 0.170
G32     222.3          48.9               15.1 +/-    0.78      19.3 +/-    0.78  0.050 / 0.070