PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-00:27:50
G10     295.2          50.6               10.6 +/-    1.26      13.3 +/-    1.26  0.040 / 0.040
G14     209.8          12.7               14.4 +/-    2.36      37.9 +/-    2.36  0.040 / 0.050
G15     46.4           30.3               10.3 +/-    0.69      17.9 +/-    0.69  0.040 / 0.040
G18     354.4          66.3                9.9 +/-    1.03      10.7 +/-    1.03  0.040 / 0.050
G20     71.2           17.7                9.2 +/-    1.31      21.3 +/-    1.31  0.070 / 0.150
G21     94.7           74.1               13.2 +/-    1.14      13.7 +/-    1.14  0.070 / 0.120
G24     99.9           26.2               13.5 +/-    0.61      25.6 +/-    0.61  0.090 / 0.510
G27     299.6          34.8               11.0 +/-    0.72      17.5 +/-    0.72  0.100 / 0.410
G32     210.9          29.5               14.3 +/-    0.54      25.3 +/-    0.54  0.070 / 0.090