PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-00:27:50
G08     265.4          15.8               10.8 +/-    2.41      26.3 +/-    2.41  0.290 / 0.540
G10     73.2           54.1                9.9 +/-    0.84      11.9 +/-    0.84  0.310 / 0.540
G11     308.3          19.4                8.0 +/-    2.05      17.8 +/-    2.05  0.040 / 0.060
G14     277.0          67.8                8.8 +/-    0.50       9.4 +/-    0.50  0.040 / 0.050
G18     308.8          37.3                9.2 +/-    1.41      14.0 +/-    1.41  0.120 / 0.420
G20     101.5          31.9                9.1 +/-    1.03      15.3 +/-    1.03  0.170 / 0.390
G21     156.2          10.7               12.3 +/-    3.19      33.8 +/-    3.19  0.200 / 0.210
G27     227.7          12.4               10.7 +/-    4.58      28.3 +/-    4.58  0.220 / 0.300
G31     175.7          37.7               11.9 +/-    1.44      18.1 +/-    1.44  0.070 / 0.110
G32     356.7          71.0                9.1 +/-    0.64       9.5 +/-    0.64  0.060 / 0.090