PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-01:43:10
G08     311.1          18.5                7.5 +/-    1.72      17.1 +/-    1.72  0.060 / 0.140
G10     323.6          58.4                9.8 +/-    1.17      11.3 +/-    1.17  0.070 / 0.110
G14     216.3          29.3               12.5 +/-    1.44      22.3 +/-    1.44  0.030 / 0.030
G15     46.2           15.3                6.8 +/-    0.93      16.7 +/-    0.93  0.030 / 0.030
G18     30.6           61.5                8.4 +/-    0.99       9.4 +/-    0.99  0.030 / 0.050
G21     130.0          60.0               10.6 +/-    0.78      12.1 +/-    0.78  0.030 / 0.050
G24     79.7           30.6                9.0 +/-    0.83      15.6 +/-    0.83  0.050 / 0.070
G27     277.5          38.0               10.3 +/-    1.76      15.5 +/-    1.76  0.060 / 0.070
G32     220.7          47.3               11.4 +/-    1.42      14.9 +/-    1.42  0.090 / 0.200