PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-15:27:20
G02     236.6          71.5                8.5 +/-    1.01       8.9 +/-    1.01  0.070 / 0.100
G05     173.1          14.0                9.5 +/-    1.91      24.3 +/-    1.91  0.070 / 0.110
G06     40.9           58.9                9.5 +/-    0.70      11.0 +/-    0.70  0.040 / 0.070
G12     321.2          50.2                8.6 +/-    0.86      10.8 +/-    0.86  0.040 / 0.060
G17     67.6           25.7                8.1 +/-    0.98      15.5 +/-    0.98  0.030 / 0.050
G19     56.5           37.9                8.2 +/-    0.51      12.3 +/-    0.51  0.040 / 0.050
G24     247.9          35.4                9.1 +/-    1.05      14.3 +/-    1.05  0.050 / 0.280