PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-19:43:10
G10     278.7          44.6               12.2 +/-    1.64      16.6 +/-    1.64  0.100 / 0.150
G13     38.2           10.1                9.7 +/-    3.59      27.0 +/-    3.59  0.080 / 0.120
G15     52.6           44.4               12.1 +/-    0.58      16.5 +/-    0.58  0.030 / 0.040
G20     318.8          63.9               12.4 +/-    0.71      13.6 +/-    0.71  0.030 / 0.030
G21     39.4           76.6               13.1 +/-    1.52      13.4 +/-    1.52  0.090 / 0.610
G24     108.4          20.1               13.7 +/-    1.31      30.0 +/-    1.31  0.140 / 0.680
G27     313.8          25.1               11.1 +/-    1.21      21.6 +/-    1.21  0.050 / 0.050
G29     168.4          21.0               12.4 +/-    1.41      26.7 +/-    1.41  0.050 / 0.050
G32     205.9          19.0               14.5 +/-    2.20      32.6 +/-    2.20  0.160 / 0.190