PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-00:27:50
G01     307.6          34.3                6.7 +/-    1.36      10.9 +/-    1.36  0.080 / 0.120
G10     104.8          39.1                7.7 +/-    0.89      11.4 +/-    0.89  0.080 / 0.100
G11     284.9          26.7                8.7 +/-    2.22      16.3 +/-    2.22  0.040 / 0.060
G14     346.6          68.4                5.1 +/-    0.88       5.5 +/-    0.88  0.060 / 0.050
G18     278.8          50.1                6.9 +/-    1.29       8.7 +/-    1.29  0.050 / 0.080
G20     120.0          14.0                7.6 +/-    1.75      19.3 +/-    1.75  0.050 / 0.070
G22     309.3          23.2                6.2 +/-    1.23      12.6 +/-    1.23  0.090 / 0.180
G25     84.8           15.8                6.1 +/-    1.06      14.9 +/-    1.06  0.080 / 0.160
G31     164.5          64.3                6.5 +/-    0.72       7.1 +/-    0.72  0.050 / 0.060
G32     34.9           53.3                6.4 +/-    1.25       7.8 +/-    1.25  0.070 / 0.070