PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-01:27:40
G10     294.3          50.3               11.3 +/-    0.57      14.2 +/-    0.57  0.060 / 0.110
G14     209.7          12.2               14.4 +/-    4.05      38.3 +/-    4.05  0.060 / 0.150
G15     46.7           31.4                9.8 +/-    0.58      16.7 +/-    0.58  0.040 / 0.040
G18     351.8          66.4               11.0 +/-    0.54      11.9 +/-    0.54  0.040 / 0.050
G20     70.9           17.8                9.2 +/-    1.09      21.4 +/-    1.09  0.060 / 0.100
G21     91.7           74.7               13.4 +/-    0.76      13.8 +/-    0.76  0.080 / 0.090
G24     100.6          25.9               12.1 +/-    0.61      23.2 +/-    0.61  0.050 / 0.040
G27     300.3          34.6               11.6 +/-    1.40      18.6 +/-    1.40  0.040 / 0.050
G32     210.5          29.5               14.6 +/-    1.88      25.8 +/-    1.88  0.120 / 0.550