PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-14:42:50
G02     355.5          75.0                5.3 +/-    0.47       5.5 +/-    0.47  0.050 / 0.080
G05     163.8          37.7                7.2 +/-    1.24      10.9 +/-    1.24  0.040 / 0.080
G06     43.1           33.9                3.7 +/-    1.23       6.0 +/-    1.23  0.110 / 0.320
G12     297.0          77.3                5.6 +/-    0.82       5.7 +/-    0.82  0.120 / 0.320
G19     80.7           21.8                5.2 +/-    1.80      10.9 +/-    1.80  0.030 / 0.030
G24     225.3          18.9                8.2 +/-    1.66      18.6 +/-    1.66  0.020 / 0.030
G25     315.8          33.1                4.7 +/-    1.00       7.8 +/-    1.00  0.070 / 0.170
G29     289.6          11.7                8.3 +/-    2.22      22.2 +/-    2.22  0.090 / 0.160