PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-23:27:50
G08     271.2          20.1               12.4 +/-    2.00      27.3 +/-    2.00  0.030 / 0.030
G10     49.4           60.9               12.1 +/-    0.81      13.6 +/-    0.81  0.030 / 0.030
G11     314.1          14.7               11.2 +/-    2.55      28.1 +/-    2.55  0.110 / 0.290
G14     257.6          64.0               11.4 +/-    0.42      12.6 +/-    0.42  0.090 / 0.220
G18     86.7           39.4               12.4 +/-    0.25      18.2 +/-    0.25  0.090 / 0.250
G21     152.7          18.4               13.7 +/-    2.67      31.4 +/-    2.67  0.130 / 0.290
G24     42.7           15.2                9.6 +/-    1.89      23.9 +/-    1.89  0.110 / 0.440
G27     234.5          19.0               14.7 +/-    1.86      33.2 +/-    1.86  0.120 / 0.360
G31     181.7          22.2               15.6 +/-    3.34      32.5 +/-    3.34  0.030 / 0.030
G32     304.0          74.9               12.0 +/-    0.48      12.4 +/-    0.48  0.020 / 0.020