PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-00:57:50
G10     272.6          40.6               10.8 +/-    0.66      15.5 +/-    0.66  0.110 / 0.450
G13     40.3           15.5                9.1 +/-    2.19      22.4 +/-    2.19  0.500 / 0.250
G15     55.4           46.4               10.4 +/-    0.53      13.8 +/-    0.53  0.150 / 0.200
G18     310.4          65.3               11.5 +/-    0.70      12.6 +/-    0.70  0.140 / 0.180
G20     58.9           29.6               10.0 +/-    1.02      17.7 +/-    1.02  0.080 / 0.070
G21     18.7           75.0               11.1 +/-    0.64      11.4 +/-    0.64  0.060 / 0.050
G24     117.0          17.0               12.4 +/-    1.69      29.5 +/-    1.69  0.040 / 0.030
G27     314.8          24.3               10.3 +/-    1.54      20.5 +/-    1.54  0.030 / 0.030
G29     167.6          23.3               11.9 +/-    1.39      24.3 +/-    1.39  0.110 / 0.110
G32     205.7          13.2               13.8 +/-    2.79      35.8 +/-    2.79  0.080 / 0.140