PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-14:27:30
G02     58.4           34.2                4.2 +/-    0.55       6.7 +/-    0.55  0.040 / 0.060
G05     61.9           64.8                5.9 +/-    0.50       6.4 +/-    0.50  0.050 / 0.060
G12     184.1          32.6                9.1 +/-    1.42      15.1 +/-    1.42  0.140 / 0.270
G13     128.0          14.9               10.2 +/-    2.81      25.6 +/-    2.81  0.200 / 0.230
G15     166.2          10.7               -3.6 +/-   25.09     -10.0 +/-   25.09  0.080 / 0.130
G21     271.7          18.3                7.0 +/-    1.76      16.1 +/-    1.76  0.120 / 0.090
G25     230.0          51.3                6.2 +/-    1.74       7.7 +/-    1.74  0.030 / 0.040
G29     328.6          54.5                2.8 +/-    1.56       3.3 +/-    1.56  0.030 / 0.030