PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-00:58:10
G08     266.6          16.1               10.1 +/-    2.23      24.5 +/-    2.23  0.100 / 0.450
G10     71.9           54.6                9.0 +/-    0.44      10.8 +/-    0.44  0.130 / 0.430
G11     308.8          19.1                8.7 +/-    1.52      19.5 +/-    1.52  0.050 / 0.060
G14     275.4          67.7                8.9 +/-    0.76       9.5 +/-    0.76  0.040 / 0.050
G18     309.3          36.7                8.5 +/-    3.46      13.1 +/-    3.46  0.240 / 0.420
G20     100.7          32.6                9.1 +/-    0.67      15.2 +/-    0.67  0.170 / 0.430
G21     156.1          11.5               11.0 +/-    1.43      29.7 +/-    1.43  0.100 / 0.220
G27     228.3          13.0               13.2 +/-    1.73      34.6 +/-    1.73  0.130 / 0.210
G31     175.9          36.8               12.1 +/-    0.98      18.6 +/-    0.98  0.180 / 0.390
G32     354.0          71.6                9.0 +/-    0.55       9.4 +/-    0.55  0.180 / 0.410