PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-15:13:10
G02     58.5           34.3                5.9 +/-    1.37       9.5 +/-    1.37  0.050 / 0.060
G05     61.7           65.0                6.7 +/-    0.56       7.4 +/-    0.56  0.050 / 0.060
G12     183.7          31.7                8.8 +/-    1.15      14.9 +/-    1.15  0.160 / 0.330
G13     127.7          15.2               12.2 +/-    1.86      30.2 +/-    1.86  0.130 / 0.290
G15     166.3          10.8               -4.3 +/-   24.17     -11.8 +/-   24.17  0.090 / 0.110
G21     271.9          18.2                8.5 +/-    3.63      19.5 +/-    3.63  0.050 / 0.120
G25     230.3          51.1                7.8 +/-    1.72       9.7 +/-    1.72  0.030 / 0.030
G29     328.6          54.6                4.3 +/-    1.36       5.2 +/-    1.36  0.030 / 0.040