PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-04:57:30
G02     60.9           30.9                1.5 +/-    0.79       2.5 +/-    0.79  0.120 / 0.220
G05     55.8           59.1                4.2 +/-    0.77       4.8 +/-    0.77  0.100 / 0.330
G12     186.1          33.8                5.9 +/-    1.47       9.5 +/-    1.47  0.060 / 0.050
G13     126.5          15.7                6.1 +/-    2.28      14.9 +/-    2.28  0.100 / 0.080
G15     162.4          13.7                3.9 +/-    2.72       9.9 +/-    2.72  0.190 / 0.360
G21     273.6          20.3                7.4 +/-    2.18      16.1 +/-    2.18  0.150 / 0.430
G25     232.3          51.0                5.9 +/-    2.14       7.4 +/-    2.14  0.070 / 0.080
G29     336.0          61.3                3.3 +/-    0.66       3.8 +/-    0.66  0.070 / 0.080