PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-15:42:40
G02     73.0           21.8                5.6 +/-    0.99      11.9 +/-    0.99  0.030 / 0.050
G05     45.8           48.6                5.9 +/-    0.98       7.6 +/-    0.98  0.030 / 0.050
G12     179.4          14.7                9.1 +/-    1.96      22.8 +/-    1.96  0.050 / 0.110
G13     111.7          25.7                7.6 +/-    2.23      14.5 +/-    2.23  0.060 / 0.110
G15     153.3          27.1               10.1 +/-    0.60      18.9 +/-    0.60  0.090 / 0.230
G20     227.1          13.7                8.8 +/-    2.19      22.7 +/-    2.19  0.100 / 0.200
G21     285.6          27.0                8.0 +/-    1.96      14.9 +/-    1.96  0.070 / 0.170
G25     218.7          38.5                9.9 +/-    1.77      14.7 +/-    1.77  0.070 / 0.170
G26     316.1          12.6                5.5 +/-    2.19      14.6 +/-    2.19  0.030 / 0.030
G29     340.7          70.6                7.2 +/-    0.78       7.6 +/-    0.78  0.030 / 0.030