PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-15:58:10
G02     74.2           20.9                7.3 +/-    1.06      15.7 +/-    1.06  0.030 / 0.050
G05     45.3           46.8                7.8 +/-    0.61      10.2 +/-    0.61  0.030 / 0.050
G12     179.1          13.3               10.2 +/-    3.26      26.4 +/-    3.26  0.070 / 0.110
G13     110.1          26.7               11.6 +/-    1.29      21.9 +/-    1.29  0.060 / 0.100
G15     152.4          28.5               12.1 +/-    0.79      21.9 +/-    0.79  0.090 / 0.150
G20     227.9          15.0                9.0 +/-    4.30      22.4 +/-    4.30  0.080 / 0.170
G21     287.0          28.0                6.8 +/-    0.78      12.4 +/-    0.78  0.030 / 0.030
G25     217.4          37.1               10.0 +/-    2.47      15.3 +/-    2.47  0.030 / 0.040
G26     314.9          13.4                6.1 +/-    1.92      15.7 +/-    1.92  0.080 / 0.160
G29     342.4          72.4                8.5 +/-    0.50       8.8 +/-    0.50  0.080 / 0.160