PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-00:27:50
G01     310.6          31.7                8.8 +/-    1.91      14.9 +/-    1.91  0.070 / 0.080
G10     100.8          41.7               10.2 +/-    0.57      14.4 +/-    0.57  0.090 / 0.100
G11     289.0          26.4                9.7 +/-    2.15      18.4 +/-    2.15  0.040 / 0.040
G14     336.9          69.6                8.3 +/-    0.50       8.8 +/-    0.50  0.040 / 0.040
G18     284.8          49.3                7.2 +/-    2.74       9.2 +/-    2.74  0.050 / 0.070
G20     117.6          16.9               10.2 +/-    1.85      24.3 +/-    1.85  0.050 / 0.080
G22     307.9          20.3                7.1 +/-    1.85      15.5 +/-    1.85  0.180 / 0.430
G25     88.4           14.5               10.0 +/-    2.74      25.1 +/-    2.74  0.320 / 0.350
G31     167.6          60.2                2.0 +/-    0.75       2.3 +/-    0.75  0.060 / 0.050
G32     30.7           56.0                8.6 +/-    1.06      10.1 +/-    1.06  0.050 / 0.050