PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-18:12:40
G10     268.8          40.7                9.3 +/-    0.97      13.4 +/-    0.97  0.150 / 0.270
G13     40.9           16.2                8.1 +/-    2.13      19.6 +/-    2.13  0.250 / 0.260
G15     57.0           46.8                7.9 +/-    0.89      10.4 +/-    0.89  0.050 / 0.040
G16     277.2          12.3                8.6 +/-    1.31      22.8 +/-    1.31  0.040 / 0.040
G20     303.4          61.9                8.5 +/-    0.61       9.5 +/-    0.61  0.170 / 0.540
G21     4.9            72.0               10.4 +/-    0.95      10.9 +/-    0.95  0.170 / 0.500
G24     121.4          14.7                8.1 +/-    2.29      20.2 +/-    2.29  0.120 / 0.320
G27     318.4          19.6                7.0 +/-    1.31      15.6 +/-    1.31  0.140 / 0.300
G29     167.5          31.0               10.3 +/-    0.84      17.7 +/-    0.84  0.190 / 0.340
G32     203.9          10.8              -13.7 +/-   29.32     -37.5 +/-   29.32  0.150 / 0.350