PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-16:42:20
G02     42.9           46.7                8.0 +/-    0.81      10.5 +/-    0.81  0.030 / 0.050
G05     109.3          70.0                9.8 +/-    0.46      10.3 +/-    0.46  0.050 / 0.050
G12     188.0          52.6                9.6 +/-    0.91      11.7 +/-    0.91  0.060 / 0.070
G25     273.2          58.0               11.7 +/-    2.14      13.6 +/-    2.14  0.060 / 0.070
G29     316.3          38.0                8.2 +/-    1.19      12.3 +/-    1.19  0.050 / 0.040