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                7.8 +/-    0.44       7.9 +/-    0.44  0.090 / 0.080
G05     165.7          31.0               11.4 +/-    1.99      19.6 +/-    1.99  0.060 / 0.090
G06     41.6           40.4                6.8 +/-    1.32       9.8 +/-    1.32  0.190 / 0.270
G12     313.4          73.4                8.4 +/-    0.38       8.7 +/-    0.38  0.110 / 0.220
G17     84.6           12.0                9.5 +/-    1.72      25.4 +/-    1.72  0.160 / 0.130
G19     70.9           31.4                9.0 +/-    2.85      15.3 +/-    2.85  0.120 / 0.140
G24     228.6          23.9               12.2 +/-    1.22      24.5 +/-    1.22  0.030 / 0.030
G25     317.5          27.3                8.5 +/-    1.36      15.7 +/-    1.36  0.030 / 0.020