PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-00:27:50
G08     264.4          17.5               12.9 +/-    0.91      30.2 +/-    0.91  0.040 / 0.030
G10     62.7           58.5               11.9 +/-    1.29      13.7 +/-    1.29  0.040 / 0.040
G11     309.6          19.3               11.0 +/-    1.51      24.7 +/-    1.51  0.100 / 0.230
G14     273.3          68.2                9.8 +/-    0.74      10.5 +/-    0.74  0.120 / 0.330
G18     93.3           35.3               10.4 +/-    2.05      16.4 +/-    2.05  0.110 / 0.290
G21     154.0          12.3               11.7 +/-    2.74      30.9 +/-    2.74  0.230 / 0.270
G24     39.7           10.3               12.1 +/-    3.98      33.5 +/-    3.98  0.080 / 0.120
G27     229.3          14.4               14.3 +/-    3.26      36.2 +/-    3.26  0.060 / 0.110
G31     180.1          29.6               13.0 +/-    2.13      22.9 +/-    2.13  0.250 / 0.270
G32     330.9          73.8               11.4 +/-    0.66      11.8 +/-    0.66  0.130 / 0.190