PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/15-01:12:50
G10     295.2          50.6                8.6 +/-    1.29      10.7 +/-    1.29  0.040 / 0.060
G14     209.8          12.8               11.8 +/-    4.00      31.0 +/-    4.00  0.050 / 0.050
G15     46.5           30.7                8.3 +/-    0.42      14.4 +/-    0.42  0.070 / 0.120
G18     353.6          66.3                7.6 +/-    0.91       8.2 +/-    0.91  0.070 / 0.150
G20     71.3           17.5                7.5 +/-    1.06      17.4 +/-    1.06  0.040 / 0.050
G21     94.0           74.3               10.9 +/-    0.30      11.2 +/-    0.30  0.040 / 0.040
G24     99.9           26.2               10.5 +/-    0.60      20.1 +/-    0.60  0.080 / 0.100
G27     299.6          34.8                7.8 +/-    0.71      12.5 +/-    0.71  0.070 / 0.100
G32     210.8          29.9               11.8 +/-    1.89      20.7 +/-    1.89  0.080 / 0.450