PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-19:28:10
G08     318.2          13.3                9.6 +/-    1.82      24.8 +/-    1.82  0.060 / 0.060
G10     309.2          55.0                7.6 +/-    1.37       9.0 +/-    1.37  0.050 / 0.060
G14     212.8          20.3               10.1 +/-    2.40      22.0 +/-    2.40  0.030 / 0.030
G15     45.5           20.1                9.2 +/-    2.07      20.3 +/-    2.07  0.030 / 0.040
G18     18.8           63.5                8.9 +/-    0.70       9.8 +/-    0.70  0.130 / 0.420
G20     76.9           13.9                8.0 +/-    2.81      20.4 +/-    2.81  0.150 / 0.320
G21     119.4          64.2               10.8 +/-    0.74      11.8 +/-    0.74  0.090 / 0.090
G24     89.7           29.3               11.5 +/-    2.05      20.5 +/-    2.05  0.080 / 0.090
G27     289.0          37.5                5.8 +/-    1.30       8.8 +/-    1.30  0.080 / 0.070
G32     215.2          38.2               12.1 +/-    1.65      18.1 +/-    1.65  0.090 / 0.080