PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-16:27:30
G05     46.7           23.9                6.7 +/-    0.43      13.4 +/-    0.43  0.050 / 0.130
G13     86.3           36.9                9.2 +/-    0.80      14.1 +/-    0.80  0.070 / 0.100
G15     131.8          47.6               11.8 +/-    0.84      15.3 +/-    0.84  0.040 / 0.080
G18     239.9          38.1               10.7 +/-    1.09      16.0 +/-    1.09  0.050 / 0.080
G20     16.5           74.5                8.9 +/-    0.42       9.2 +/-    0.42  0.090 / 0.210
G21     309.5          45.8                7.6 +/-    1.22      10.2 +/-    1.22  0.090 / 0.180
G25     202.1          15.5               12.2 +/-    2.37      30.0 +/-    2.37  0.040 / 0.040
G26     298.1          18.9                8.4 +/-    1.03      19.0 +/-    1.03  0.040 / 0.040
G29     144.7          73.5               11.3 +/-    0.69      11.8 +/-    0.69  0.100 / 0.240