PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/02-00:27:50
G08     269.0          17.3                6.8 +/-    1.65      16.0 +/-    1.65  0.220 / 0.570
G10     67.0           55.9                7.5 +/-    0.68       8.9 +/-    0.68  0.180 / 0.390
G11     311.0          17.4               -3.2 +/-   16.51      -7.6 +/-   16.51  0.040 / 0.060
G14     268.1          66.0                6.3 +/-    0.86       6.8 +/-    0.86  0.040 / 0.060
G18     311.3          34.3                5.3 +/-    1.49       8.5 +/-    1.49  0.070 / 0.110
G20     98.1           34.5                6.6 +/-    0.80      10.5 +/-    0.80  0.060 / 0.120
G21     155.7          14.2                6.6 +/-    3.61      16.8 +/-    3.61  0.120 / 0.200
G27     230.3          14.9                9.4 +/-    2.21      23.5 +/-    2.21  0.240 / 0.270
G31     176.6          33.7                8.0 +/-    1.94      13.1 +/-    1.94  0.020 / 0.030
G32     346.2          73.3                6.9 +/-    0.46       7.2 +/-    0.46  0.030 / 0.020