PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/26-11:27:00
G02     45.8           43.3                5.1 +/-    0.99       7.0 +/-    0.99  0.030 / 0.030
G05     113.4          70.1                6.9 +/-    1.09       7.3 +/-    1.09  0.030 / 0.030
G12     185.3          51.1                8.6 +/-    0.41      10.7 +/-    0.41  0.030 / 0.040
G25     272.4          58.4               -1.0 +/-    1.36      -1.2 +/-    1.36  0.040 / 0.050
G29     315.7          37.2                3.5 +/-    1.15       5.4 +/-    1.15  0.050 / 0.080