PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/24-14:28:00
G02     61.1           30.8                6.2 +/-    1.80      10.8 +/-    1.80  0.030 / 0.030
G05     58.4           63.5                9.1 +/-    1.08      10.0 +/-    1.08  0.030 / 0.030
G12     181.9          29.2               10.7 +/-    1.22      19.1 +/-    1.22  0.070 / 0.120
G13     125.1          16.1               11.8 +/-    2.56      28.6 +/-    2.56  0.060 / 0.130
G15     161.5          14.7                8.3 +/-    2.81      20.7 +/-    2.81  0.240 / 0.260
G21     273.1          18.0                6.7 +/-    1.48      15.4 +/-    1.48  0.230 / 0.210
G25     234.8          50.9                9.2 +/-    3.31      11.4 +/-    3.31  0.170 / 0.480
G29     329.2          55.3                7.4 +/-    0.41       8.8 +/-    0.41  0.150 / 0.330