PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-19:43:00
G10     248.3          25.1               14.2 +/-    1.81      27.6 +/-    1.81  0.060 / 0.050
G13     55.9           31.0               12.7 +/-    1.85      21.7 +/-    1.85  0.040 / 0.060
G15     101.1          59.7               12.6 +/-    1.14      14.4 +/-    1.14  0.120 / 0.360
G16     297.9          15.7                8.1 +/-    1.39      19.7 +/-    1.39  0.110 / 0.300
G20     266.3          49.0               13.1 +/-    3.87      16.7 +/-    3.87  0.050 / 0.130
G21     331.0          58.5               12.4 +/-    0.44      14.3 +/-    0.44  0.060 / 0.160
G26     270.4          16.5               11.3 +/-    3.01      27.1 +/-    3.01  0.040 / 0.030
G29     163.9          53.4               14.6 +/-    0.85      17.7 +/-    0.85  0.030 / 0.030