PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-02:13:00
G10     296.9          51.2               12.0 +/-    2.89      14.9 +/-    2.89  0.150 / 0.060
G14     210.1          13.9               14.3 +/-    2.67      36.5 +/-    2.67  0.090 / 0.060
G15     46.4           30.3                7.6 +/-    1.14      13.3 +/-    1.14  0.040 / 0.030
G18     355.3          66.2                8.2 +/-    0.70       8.9 +/-    0.70  0.030 / 0.030
G20     72.2           16.5                8.5 +/-    1.76      20.3 +/-    1.76  0.080 / 0.130
G21     97.3           73.9               11.0 +/-    0.40      11.4 +/-    0.40  0.130 / 0.180
G24     98.6           26.6               10.2 +/-    1.40      19.3 +/-    1.40  0.070 / 0.120
G27     298.2          35.3               12.1 +/-    2.76      19.0 +/-    2.76  0.080 / 0.100
G32     211.2          31.6               14.1 +/-    1.66      23.9 +/-    1.66  0.090 / 0.510