PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-17:57:50
G10     250.0          25.4               12.5 +/-    1.42      24.2 +/-    1.42  0.110 / 0.250
G13     55.2           31.5                8.0 +/-    1.55      13.6 +/-    1.55  0.140 / 0.330
G15     86.2           56.9               10.4 +/-    0.90      12.2 +/-    0.90  0.030 / 0.040
G16     302.2          13.1                8.1 +/-    1.91      21.2 +/-    1.91  0.040 / 0.040
G18     269.3          56.7               11.6 +/-    1.23      13.6 +/-    1.23  0.040 / 0.040
G20     41.3           50.3                9.4 +/-    0.84      11.8 +/-    0.84  0.040 / 0.050
G21     337.9          62.2               10.4 +/-    0.69      11.6 +/-    0.69  0.150 / 0.360
G26     272.8          15.4               10.3 +/-    2.05      25.5 +/-    2.05  0.160 / 0.390
G29     161.6          44.3               11.0 +/-    0.84      14.9 +/-    0.84  0.060 / 0.120