PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-18:12:30
G10     245.9          24.5                9.0 +/-    2.84      17.7 +/-    2.84  0.050 / 0.060
G13     58.3           31.5               10.0 +/-    0.57      17.0 +/-    0.57  0.060 / 0.070
G15     97.1           57.7               10.9 +/-    0.72      12.6 +/-    0.72  0.050 / 0.130
G16     300.7          15.8                6.3 +/-    3.61      15.5 +/-    3.61  0.060 / 0.140
G20     264.0          48.4               10.8 +/-    0.94      13.9 +/-    0.94  0.130 / 0.600
G21     327.1          55.6               10.1 +/-    0.63      11.9 +/-    0.63  0.130 / 0.620
G26     273.5          17.4                8.3 +/-    1.57      19.5 +/-    1.57  0.030 / 0.040
G29     161.8          57.4               11.4 +/-    0.52      13.3 +/-    0.52  0.030 / 0.050