PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-16:57:50
G10     269.0          39.7                9.3 +/-    0.86      13.6 +/-    0.86  0.050 / 0.040
G13     41.0           16.6                7.2 +/-    2.01      17.1 +/-    2.01  0.030 / 0.040
G15     59.0           49.6                8.0 +/-    0.68      10.1 +/-    0.68  0.250 / 0.450
G16     278.2          11.6                8.7 +/-    2.55      23.6 +/-    2.55  0.360 / 0.520
G20     301.1          61.1                8.2 +/-    0.56       9.2 +/-    0.56  0.120 / 0.210
G21     14.3           73.5                9.2 +/-    0.30       9.5 +/-    0.30  0.120 / 0.210
G24     115.0          15.6               10.7 +/-    1.69      26.1 +/-    1.69  0.120 / 0.210
G27     318.8          18.5                7.8 +/-    1.65      17.8 +/-    1.65  0.190 / 0.280
G29     167.5          28.7                9.7 +/-    1.30      17.4 +/-    1.30  0.050 / 0.050
G32     204.6          10.5              -16.2 +/-   13.71     -44.8 +/-   13.71  0.030 / 0.050