PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-16:57:40
G02     246.8          75.6                8.9 +/-    0.32       9.2 +/-    0.32  0.160 / 0.270
G05     171.2          17.7                9.6 +/-    1.40      22.3 +/-    1.40  0.130 / 0.350
G06     40.0           55.5                8.6 +/-    0.59      10.2 +/-    0.59  0.080 / 0.120
G12     321.1          53.2                8.4 +/-    1.02      10.2 +/-    1.02  0.080 / 0.150
G17     70.4           24.1                7.9 +/-    2.00      15.8 +/-    2.00  0.070 / 0.110
G19     60.0           35.7                8.6 +/-    2.07      13.5 +/-    2.07  0.080 / 0.090
G24     243.7          33.4                9.6 +/-    1.82      15.7 +/-    1.82  0.070 / 0.070
G25     316.6          13.2                6.7 +/-    3.90      17.3 +/-    3.90  0.090 / 0.080