PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-18:28:00
G02     318.3          80.1                7.1 +/-    0.79       7.2 +/-    0.79  0.040 / 0.100
G05     165.7          31.0               10.3 +/-    1.01      17.7 +/-    1.01  0.040 / 0.110
G06     41.6           40.4                5.6 +/-    0.47       8.1 +/-    0.47  0.040 / 0.030
G12     313.4          73.4                7.4 +/-    0.54       7.6 +/-    0.54  0.030 / 0.030
G17     84.6           12.0                9.7 +/-    2.00      25.8 +/-    2.00  0.070 / 0.170
G19     70.9           31.4                8.8 +/-    0.63      14.9 +/-    0.63  0.080 / 0.160
G24     228.6          23.9               11.3 +/-    1.54      22.5 +/-    1.54  0.090 / 0.110
G25     317.5          27.3                5.1 +/-    1.66       9.5 +/-    1.66  0.070 / 0.110