PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-03:57:30
G10     248.2          24.5               13.9 +/-    0.96      27.4 +/-    0.96  0.100 / 0.250
G13     56.4           31.6                6.1 +/-    1.38      10.3 +/-    1.38  0.110 / 0.240
G15     92.9           57.9                7.5 +/-    0.91       8.7 +/-    0.91  0.040 / 0.040
G16     297.6          15.7               10.4 +/-    1.41      25.5 +/-    1.41  0.040 / 0.050
G20     279.0          61.3                9.4 +/-    1.06      10.5 +/-    1.06  0.060 / 0.120
G21     329.6          57.8                8.6 +/-    0.45       9.9 +/-    0.45  0.080 / 0.160
G26     269.1          16.8               13.3 +/-    1.37      31.8 +/-    1.37  0.040 / 0.030
G29     164.4          53.9                8.8 +/-    0.77      10.6 +/-    0.77  0.040 / 0.020