PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/21-23:12:50
G08     265.0          16.1               12.2 +/-    4.72      29.5 +/-    4.72  0.220 / 0.400
G10     72.3           54.4               10.3 +/-    0.41      12.4 +/-    0.41  0.160 / 0.530
G11     309.1          18.8               10.6 +/-    2.04      24.1 +/-    2.04  0.150 / 0.400
G14     274.3          67.1               10.1 +/-    0.89      10.9 +/-    0.89  0.210 / 0.440
G18     309.3          36.7               10.1 +/-    2.44      15.5 +/-    2.44  0.040 / 0.060
G20     101.2          31.8               11.3 +/-    0.79      19.1 +/-    0.79  0.040 / 0.060
G21     156.1          11.2               12.9 +/-    1.92      35.0 +/-    1.92  0.180 / 0.340
G27     228.0          12.8               16.0 +/-    3.15      41.9 +/-    3.15  0.180 / 0.360
G31     176.0          36.9               14.9 +/-    1.44      22.9 +/-    1.44  0.080 / 0.110
G32     356.6          71.2                9.8 +/-    0.56      10.3 +/-    0.56  0.070 / 0.100