PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-09:42:30
G02     30.3           57.3                5.1 +/-    0.94       5.9 +/-    0.94  0.040 / 0.050
G05     150.7          56.1                9.7 +/-    0.76      11.5 +/-    0.76  0.030 / 0.040
G06     50.3           19.7                4.3 +/-    1.98       9.6 +/-    1.98  0.040 / 0.030
G12     201.3          73.1                7.5 +/-    0.36       7.8 +/-    0.36  0.030 / 0.040
G19     95.8           10.8                6.8 +/-    1.13      18.7 +/-    1.13  0.120 / 0.190
G25     303.8          49.7                5.2 +/-    4.83       6.6 +/-    4.83  0.150 / 0.230
G29     302.4          23.0                5.0 +/-    1.22      10.2 +/-    1.22  0.100 / 0.150