PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-09:43:00
G02     239.0          75.9                5.6 +/-    0.48       5.8 +/-    0.48  0.320 / 0.500
G05     174.7          12.3                2.1 +/-    2.27       5.6 +/-    2.27  0.270 / 0.540
G06     41.0           59.6                5.5 +/-    0.62       6.3 +/-    0.62  0.060 / 0.110
G12     322.3          53.8                3.9 +/-    0.50       4.8 +/-    0.50  0.090 / 0.130
G17     68.8           23.1                3.9 +/-    1.49       8.0 +/-    1.49  0.060 / 0.040
G19     56.2           37.8                3.3 +/-    1.24       5.0 +/-    1.24  0.040 / 0.040
G24     249.0          35.6               10.5 +/-    1.93      16.5 +/-    1.93  0.250 / 0.430
G28     129.6          10.0                6.2 +/-    2.71      17.3 +/-    2.71  0.250 / 0.600