PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-18:13:10
G10     269.3          41.0               11.3 +/-    1.10      16.3 +/-    1.10  0.130 / 0.260
G13     40.7           15.9                7.8 +/-    2.05      18.9 +/-    2.05  0.110 / 0.250
G15     56.6           46.5                8.8 +/-    0.74      11.7 +/-    0.74  0.040 / 0.050
G16     276.8          12.2                9.2 +/-    3.39      24.5 +/-    3.39  0.040 / 0.050
G20     304.3          62.0                8.8 +/-    0.64       9.8 +/-    0.64  0.200 / 0.580
G21     6.1            72.3               10.2 +/-    0.49      10.7 +/-    0.49  0.220 / 0.560
G24     121.0          15.0               10.6 +/-    1.20      26.4 +/-    1.20  0.120 / 0.270
G27     318.2          19.9               10.8 +/-    3.18      23.8 +/-    3.18  0.110 / 0.180
G29     167.6          30.6               11.8 +/-    1.17      20.4 +/-    1.17  0.050 / 0.080
G32     203.9          11.2               -3.5 +/-   43.95      -9.5 +/-   43.95  0.040 / 0.110