PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-14:43:10
G02     72.7           21.6                5.8 +/-    1.31      12.2 +/-    1.31  0.040 / 0.050
G05     46.1           50.1                6.1 +/-    0.58       7.7 +/-    0.58  0.030 / 0.050
G12     179.2          14.9                7.6 +/-    2.00      18.9 +/-    2.00  0.080 / 0.170
G13     112.4          25.3                9.3 +/-    1.54      18.1 +/-    1.54  0.080 / 0.140
G15     153.1          26.8                9.8 +/-    1.00      18.4 +/-    1.00  0.050 / 0.080
G20     226.7          13.5                5.7 +/-    3.99      14.6 +/-    3.99  0.060 / 0.100
G21     285.1          26.8                7.1 +/-    2.37      13.3 +/-    2.37  0.080 / 0.260
G25     219.1          39.1                8.6 +/-    1.04      12.7 +/-    1.04  0.080 / 0.250
G26     316.7          12.1                4.0 +/-    2.15      10.5 +/-    2.15  0.030 / 0.030
G29     339.8          69.7                5.8 +/-    1.06       6.1 +/-    1.06  0.030 / 0.030