PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-19:12:40
G10     271.0          40.7               11.9 +/-    1.05      17.1 +/-    1.05  0.140 / 0.220
G13     40.3           15.3               10.3 +/-    3.78      25.5 +/-    3.78  0.160 / 0.240
G15     58.2           49.6                9.7 +/-    0.40      12.3 +/-    0.40  0.040 / 0.040
G16     275.7          11.0                8.8 +/-    2.88      24.0 +/-    2.88  0.040 / 0.050
G20     304.6          61.8               11.2 +/-    0.73      12.5 +/-    0.73  0.120 / 0.660
G21     15.4           74.1               12.1 +/-    1.14      12.5 +/-    1.14  0.110 / 0.620
G24     114.3          16.5               12.0 +/-    0.69      28.7 +/-    0.69  0.130 / 0.490
G27     317.7          20.3               11.3 +/-    2.17      24.7 +/-    2.17  0.130 / 0.490
G29     168.1          27.6               12.5 +/-    0.95      23.1 +/-    0.95  0.040 / 0.050
G32     204.6          12.8               12.8 +/-    2.20      33.7 +/-    2.20  0.030 / 0.050