PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-17:43:10
G02     59.4           33.4                8.8 +/-    2.22      14.4 +/-    2.22  0.050 / 0.110
G05     56.8           61.3                9.7 +/-    0.74      10.9 +/-    0.74  0.060 / 0.090
G12     183.5          31.0               10.2 +/-    1.53      17.5 +/-    1.53  0.270 / 0.430
G13     125.3          16.0               12.7 +/-    4.16      30.8 +/-    4.16  0.150 / 0.260
G15     163.7          13.3               12.9 +/-    2.23      33.4 +/-    2.23  0.180 / 0.460
G21     272.7          17.4               10.0 +/-    2.15      23.5 +/-    2.15  0.160 / 0.470
G25     235.7          51.1               10.3 +/-    2.80      12.8 +/-    2.80  0.070 / 0.110
G29     329.6          55.7                8.2 +/-    0.43       9.7 +/-    0.43  0.060 / 0.090