PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-01:57:50
G08     310.4          18.8                9.1 +/-    1.97      20.7 +/-    1.97  0.070 / 0.110
G10     325.0          58.6               10.3 +/-    0.81      11.8 +/-    0.81  0.070 / 0.110
G14     216.7          30.0               12.1 +/-    2.22      21.2 +/-    2.22  0.040 / 0.040
G15     46.3           14.8                5.7 +/-    0.75      14.4 +/-    0.75  0.030 / 0.040
G18     31.8           61.2                8.6 +/-    0.62       9.7 +/-    0.62  0.040 / 0.070
G21     130.9          59.4               10.8 +/-    0.65      12.4 +/-    0.65  0.030 / 0.050
G24     78.8           30.6                8.8 +/-    0.47      15.2 +/-    0.47  0.090 / 0.180
G27     276.5          38.0               11.3 +/-    1.19      17.1 +/-    1.19  0.070 / 0.180
G32     221.3          48.2               10.4 +/-    0.69      13.4 +/-    0.69  0.070 / 0.060