PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/28-22:12:50
G08     272.1          20.3               10.3 +/-    2.93      22.5 +/-    2.93  0.090 / 0.170
G10     48.2           61.0               11.1 +/-    0.70      12.5 +/-    0.70  0.120 / 0.210
G11     314.7          13.9                9.9 +/-    1.66      25.3 +/-    1.66  0.140 / 0.420
G14     256.1          63.4               11.7 +/-    0.56      12.9 +/-    0.56  0.110 / 0.330
G18     86.3           39.4               12.2 +/-    0.51      17.9 +/-    0.51  0.130 / 0.130
G21     152.4          18.2               11.2 +/-    2.95      25.7 +/-    2.95  0.050 / 0.110
G24     43.0           15.5               10.3 +/-    1.67      25.3 +/-    1.67  0.090 / 0.300
G27     235.0          19.4               12.5 +/-    1.61      27.9 +/-    1.61  0.110 / 0.280
G31     182.3          20.9               13.9 +/-    3.02      30.0 +/-    3.02  0.030 / 0.030
G32     304.2          75.2               12.6 +/-    0.46      13.0 +/-    0.46  0.030 / 0.030