PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-00:27:50
G05     48.9           16.0                8.7 +/-    1.81      21.0 +/-    1.81  0.050 / 0.090
G10     236.1          14.0               14.3 +/-    2.13      36.4 +/-    2.13  0.060 / 0.070
G13     74.4           35.4                9.9 +/-    0.79      15.6 +/-    0.79  0.150 / 0.350
G15     122.2          52.7               12.5 +/-    0.71      15.2 +/-    0.71  0.290 / 0.370
G16     315.0          11.8                8.3 +/-    3.06      22.4 +/-    3.06  0.150 / 0.370
G20     248.5          37.1               12.7 +/-    0.89      19.4 +/-    0.89  0.140 / 0.290
G21     313.7          46.9               -0.5 +/-    0.84      -0.6 +/-    0.84  0.150 / 0.530
G25     199.5          11.3               13.3 +/-    3.83      35.9 +/-    3.83  0.190 / 0.500
G26     288.2          19.9                9.7 +/-    1.51      21.4 +/-    1.51  0.060 / 0.140
G29     152.2          70.5               10.0 +/-    0.71      10.6 +/-    0.71  0.060 / 0.120