PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-01:57:50
G10     272.7          41.4               14.9 +/-    0.73      21.2 +/-    0.73  0.070 / 0.140
G13     39.8           14.3                8.2 +/-    1.81      20.8 +/-    1.81  0.080 / 0.160
G15     55.5           46.6                9.4 +/-    0.60      12.4 +/-    0.60  0.090 / 0.610
G16     273.0          10.3               10.5 +/-    2.37      29.2 +/-    2.37  0.090 / 0.590
G20     290.8          54.1               11.6 +/-    1.30      14.0 +/-    1.30  0.100 / 0.270
G21     14.1           74.5               13.3 +/-    0.40      13.8 +/-    0.40  0.120 / 0.310
G24     115.0          17.2               12.6 +/-    1.22      29.6 +/-    1.22  0.040 / 0.040
G27     316.1          22.7                8.7 +/-    1.55      18.0 +/-    1.55  0.040 / 0.040
G29     168.8          26.8               14.6 +/-    1.06      27.4 +/-    1.06  0.060 / 0.070
G32     204.6          15.4               19.8 +/-    3.96      48.7 +/-    3.96  0.050 / 0.070