PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-17:58:10
G10     299.9          52.8                8.4 +/-    1.13      10.2 +/-    1.13  0.060 / 0.100
G14     210.4          13.2                9.0 +/-    3.14      23.3 +/-    3.14  0.050 / 0.090
G15     46.2           29.1                5.8 +/-    0.66      10.4 +/-    0.66  0.040 / 0.040
G20     356.1          65.3                7.2 +/-    1.53       7.9 +/-    1.53  0.030 / 0.040
G21     103.6          71.5                8.8 +/-    0.64       9.2 +/-    0.64  0.100 / 0.440
G24     91.6           26.4               10.2 +/-    1.12      19.3 +/-    1.12  0.090 / 0.530
G27     300.8          33.6                8.6 +/-    0.95      14.0 +/-    0.95  0.080 / 0.140
G32     211.1          33.3               10.0 +/-    1.45      16.4 +/-    1.45  0.080 / 0.160