PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-01:58:00
G08     266.0          18.3               15.0 +/-    1.00      34.3 +/-    1.00  0.030 / 0.030
G10     59.1           59.3               12.0 +/-    0.84      13.7 +/-    0.84  0.030 / 0.020
G11     310.6          18.5               11.4 +/-    3.14      26.1 +/-    3.14  0.120 / 0.430
G14     269.0          67.4               11.8 +/-    0.64      12.7 +/-    0.64  0.120 / 0.340
G18     91.1           37.1               10.6 +/-    1.14      16.2 +/-    1.14  0.200 / 0.240
G21     153.9          14.8               12.4 +/-    4.41      30.9 +/-    4.41  0.140 / 0.270
G24     40.4           11.7                9.8 +/-    3.03      26.3 +/-    3.03  0.060 / 0.090
G27     230.7          15.6               15.7 +/-    1.70      38.3 +/-    1.70  0.060 / 0.110
G31     179.5          28.7               14.1 +/-    1.47      25.3 +/-    1.47  0.210 / 0.220
G32     327.9          74.4               11.5 +/-    0.65      11.9 +/-    0.65  0.180 / 0.220