PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-21:12:40
G08     277.4          21.7                9.8 +/-    2.28      20.8 +/-    2.28  0.110 / 0.090
G10     37.7           62.2                8.4 +/-    0.89       9.4 +/-    0.89  0.060 / 0.090
G14     247.4          59.5                9.8 +/-    0.93      11.2 +/-    0.93  0.080 / 0.170
G18     81.3           42.2                9.5 +/-    0.98      13.4 +/-    0.98  0.070 / 0.170
G21     151.0          22.5               13.1 +/-    2.40      27.2 +/-    2.40  0.120 / 0.270
G24     45.9           18.8                8.1 +/-    2.81      18.4 +/-    2.81  0.130 / 0.230
G27     239.1          22.7               13.3 +/-    1.89      27.4 +/-    1.89  0.020 / 0.020
G31     182.8          16.6               13.6 +/-    2.43      32.5 +/-    2.43  0.020 / 0.020
G32     285.3          74.5                8.9 +/-    0.40       9.2 +/-    0.40  0.040 / 0.050