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                9.3 +/-    1.26      19.6 +/-    1.26  0.090 / 0.190
G10     37.7           62.2                8.1 +/-    0.37       9.0 +/-    0.37  0.090 / 0.210
G14     247.4          59.5               11.2 +/-    0.59      12.8 +/-    0.59  0.030 / 0.030
G18     81.3           42.2                9.1 +/-    0.69      12.8 +/-    0.69  0.030 / 0.030
G21     151.0          22.5               12.1 +/-    1.88      25.1 +/-    1.88  0.080 / 0.230
G24     45.9           18.8                7.7 +/-    0.71      17.4 +/-    0.71  0.080 / 0.180
G27     239.1          22.7               10.0 +/-    1.78      20.6 +/-    1.78  0.110 / 0.140
G31     182.8          16.6               14.4 +/-    0.61      34.3 +/-    0.61  0.070 / 0.120
G32     285.3          74.5                9.4 +/-    0.86       9.7 +/-    0.86  0.040 / 0.080