PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-15:58:00
G02     70.9           23.5                9.0 +/-    1.23      18.3 +/-    1.23  0.030 / 0.040
G05     46.7           50.7                8.0 +/-    0.63      10.0 +/-    0.63  0.030 / 0.040
G12     180.1          17.1               10.4 +/-    1.13      24.5 +/-    1.13  0.120 / 0.210
G13     114.1          24.3               13.6 +/-    1.04      27.1 +/-    1.04  0.090 / 0.220
G15     155.0          24.9               10.9 +/-    1.31      21.2 +/-    1.31  0.080 / 0.200
G20     225.9          11.6               -2.4 +/-   24.99      -6.5 +/-   24.99  0.090 / 0.190
G21     283.5          25.5                9.6 +/-    1.50      18.6 +/-    1.50  0.120 / 0.260
G25     220.8          40.7                9.9 +/-    2.05      14.2 +/-    2.05  0.170 / 0.360
G26     317.8          11.3               -2.3 +/-   31.40      -6.2 +/-   31.40  0.080 / 0.080
G29     338.6          68.1                9.1 +/-    0.75       9.7 +/-    0.75  0.050 / 0.100