PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-18:57:50
G02     44.6           45.4                8.3 +/-    0.49      11.2 +/-    0.49  0.050 / 0.060
G05     99.5           69.8                9.6 +/-    0.36      10.2 +/-    0.36  0.040 / 0.050
G12     188.7          51.5               11.3 +/-    1.14      14.0 +/-    1.14  0.040 / 0.060
G25     269.4          58.1               10.4 +/-    0.47      12.0 +/-    0.47  0.030 / 0.070
G29     317.9          40.1               10.8 +/-    1.80      15.7 +/-    1.80  0.030 / 0.040