PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-22:27:40
G08     316.8          14.6                9.8 +/-    3.19      24.7 +/-    3.19  0.100 / 0.060
G10     311.3          55.6               11.5 +/-    1.72      13.6 +/-    1.72  0.090 / 0.040
G14     213.2          22.2               18.1 +/-    1.86      37.8 +/-    1.86  0.070 / 0.100
G15     45.5           19.9               13.0 +/-    2.44      28.7 +/-    2.44  0.070 / 0.110
G18     19.3           63.5               12.8 +/-    0.68      14.2 +/-    0.68  0.030 / 0.040
G20     78.4           11.8               13.2 +/-    3.56      35.4 +/-    3.56  0.040 / 0.030
G21     120.5          65.0               16.2 +/-    0.63      17.6 +/-    0.63  0.160 / 0.300
G24     88.2           29.6               17.9 +/-    1.59      31.6 +/-    1.59  0.110 / 0.300
G27     287.1          37.8                9.7 +/-    1.07      14.7 +/-    1.07  0.050 / 0.070
G32     216.2          38.4               16.6 +/-    1.40      24.8 +/-    1.40  0.050 / 0.070