PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-19:12:50
G08     318.2          13.4                9.6 +/-    1.65      24.9 +/-    1.65  0.060 / 0.070
G10     309.5          55.1               11.4 +/-    1.90      13.5 +/-    1.90  0.070 / 0.060
G14     212.8          20.4               16.4 +/-    2.70      35.8 +/-    2.70  0.130 / 0.340
G15     45.5           19.9               12.1 +/-    2.09      26.7 +/-    2.09  0.110 / 0.390
G18     19.3           63.4               12.3 +/-    0.90      13.6 +/-    0.90  0.080 / 0.090
G20     77.0           13.9               12.6 +/-    2.30      32.1 +/-    2.30  0.060 / 0.100
G24     89.5           29.3               16.4 +/-    1.19      29.2 +/-    1.19  0.060 / 0.080
G27     288.8          37.5                8.6 +/-    1.13      13.1 +/-    1.13  0.080 / 0.050
G32     215.3          38.5               17.2 +/-    1.67      25.6 +/-    1.67  0.100 / 0.370