PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-19:43:10
G10     248.7          25.4               12.6 +/-    1.21      24.3 +/-    1.21  0.330 / 0.600
G13     55.5           30.8               11.9 +/-    0.83      20.5 +/-    0.83  0.300 / 0.690
G15     100.1          59.8               13.9 +/-    0.92      15.8 +/-    0.92  0.070 / 0.060
G16     297.4          15.7                4.0 +/-   17.98       9.8 +/-   17.98  0.060 / 0.060
G20     266.8          49.3               11.6 +/-    1.34      14.8 +/-    1.34  0.070 / 0.140
G21     331.6          58.8               10.3 +/-    0.80      11.8 +/-    0.80  0.060 / 0.150
G26     269.9          16.4               10.7 +/-    1.53      25.7 +/-    1.53  0.050 / 0.040
G29     164.0          52.9               14.1 +/-    0.52      17.2 +/-    0.52  0.040 / 0.040