PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/26-01:12:30
G02     305.4          81.9               10.6 +/-    0.73      10.6 +/-    0.73  0.030 / 0.040
G05     166.4          26.9               15.4 +/-    1.20      28.8 +/-    1.20  0.020 / 0.030
G06     40.2           47.5                9.8 +/-    0.50      12.7 +/-    0.50  0.040 / 0.110
G12     319.1          63.0               11.2 +/-    0.91      12.5 +/-    0.91  0.040 / 0.130
G17     78.0           19.6               11.5 +/-    1.05      25.5 +/-    1.05  0.100 / 0.280
G19     67.1           32.9               11.5 +/-    0.89      19.0 +/-    0.89  0.090 / 0.220
G24     234.9          28.1               12.9 +/-    2.05      23.5 +/-    2.05  0.140 / 0.190
G25     317.8          20.9                9.5 +/-    2.23      20.5 +/-    2.23  0.090 / 0.140