PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-21:57:40
G02     20.2           64.8                8.4 +/-    1.01       9.2 +/-    1.01  0.080 / 0.080
G05     152.7          51.3               12.1 +/-    0.56      15.1 +/-    0.56  0.090 / 0.080
G06     47.2           25.8                7.1 +/-    2.73      13.5 +/-    2.73  0.040 / 0.030
G12     246.1          78.9                8.8 +/-    0.39       8.9 +/-    0.39  0.040 / 0.050
G19     90.3           15.8                9.3 +/-    1.56      22.7 +/-    1.56  0.330 / 0.560
G24     216.0          10.8               11.5 +/-   22.84      31.6 +/-   22.84  0.270 / 0.570
G25     310.0          44.0                9.4 +/-    0.93      12.9 +/-    0.93  0.020 / 0.030
G29     299.4          21.3                9.4 +/-    1.93      20.0 +/-    1.93  0.020 / 0.020