PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-01:57:40
G08     292.7          23.5                6.5 +/-    1.41      13.2 +/-    1.41  0.060 / 0.100
G10     2.7            63.0                6.4 +/-    0.89       7.1 +/-    0.89  0.050 / 0.100
G14     229.4          47.3               11.5 +/-    1.95      15.0 +/-    1.95  0.040 / 0.030
G18     60.9           52.5                8.2 +/-    0.82      10.0 +/-    0.82  0.050 / 0.040
G21     145.4          40.9               12.1 +/-    1.01      17.3 +/-    1.01  0.090 / 0.120
G24     58.4           27.1                8.0 +/-    0.97      14.8 +/-    0.97  0.080 / 0.100
G27     253.7          31.9               11.3 +/-    2.01      19.1 +/-    2.01  0.050 / 0.080
G32     243.0          65.0                9.1 +/-    0.74       9.9 +/-    0.74  0.040 / 0.090