PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-15:27:50
G02     86.5           10.4                9.4 +/-    6.44      26.1 +/-    6.44  0.080 / 0.080
G05     45.0           31.0                7.1 +/-    1.30      12.2 +/-    1.30  0.080 / 0.080
G13     97.1           34.7                9.4 +/-    0.70      15.0 +/-    0.70  0.100 / 0.080
G15     140.8          40.8               10.8 +/-    0.63      15.5 +/-    0.63  0.090 / 0.110
G18     233.4          31.2                9.6 +/-    1.05      16.4 +/-    1.05  0.110 / 0.190
G20     348.1          82.6                8.1 +/-    0.61       8.2 +/-    0.61  0.120 / 0.160
G21     301.9          41.0                7.9 +/-    2.41      11.4 +/-    2.41  0.040 / 0.020
G25     206.9          22.9                9.7 +/-    1.65      20.0 +/-    1.65  0.030 / 0.030
G26     305.8          17.4                6.8 +/-    3.28      16.0 +/-    3.28  0.050 / 0.090
G29     118.1          82.9                8.9 +/-    0.41       8.9 +/-    0.41  0.050 / 0.090