PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-17:43:00
G08     313.3          16.8                8.8 +/-    0.86      21.0 +/-    0.86  0.070 / 0.060
G10     322.2          58.1                7.9 +/-    0.95       9.1 +/-    0.95  0.070 / 0.050
G14     216.0          26.8               10.9 +/-    2.68      20.4 +/-    2.68  0.070 / 0.080
G15     46.1           13.3                8.2 +/-    2.19      21.2 +/-    2.19  0.050 / 0.100
G18     33.9           60.3                8.3 +/-    0.95       9.4 +/-    0.95  0.490 / 0.500
G20     82.0           10.2               11.7 +/-    5.53      32.4 +/-    5.53  0.150 / 0.440
G21     129.7          55.7               10.5 +/-    0.79      12.4 +/-    0.79  0.080 / 0.050
G24     80.7           30.5                8.1 +/-    1.37      14.0 +/-    1.37  0.100 / 0.070
G27     279.3          38.0                9.2 +/-    1.89      13.8 +/-    1.89  0.040 / 0.050
G32     219.9          46.7               10.6 +/-    1.74      14.0 +/-    1.74  0.030 / 0.040