PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-01:13:10
G08     302.0          22.1                8.5 +/-    0.98      17.7 +/-    0.98  0.070 / 0.080
G10     346.6          61.8                7.5 +/-    1.03       8.4 +/-    1.03  0.080 / 0.080
G14     222.3          36.2               16.4 +/-    1.06      25.5 +/-    1.06  0.040 / 0.060
G20     337.1          62.2               19.4 +/-    0.54      21.7 +/-    0.54  0.030 / 0.050
G21     140.6          51.3               11.1 +/-    1.27      13.8 +/-    1.27  0.060 / 0.140
G24     64.4           28.0                7.2 +/-    0.77      13.2 +/-    0.77  0.060 / 0.140
G27     266.1          35.8               12.9 +/-    1.22      20.2 +/-    1.22  0.060 / 0.100
G32     230.9          61.1               12.6 +/-    0.73      14.1 +/-    0.73  0.060 / 0.100