PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-20:27:50
G02     356.1          75.4                8.1 +/-    0.64       8.3 +/-    0.64  0.080 / 0.130
G05     161.6          38.2               12.3 +/-    1.16      18.5 +/-    1.16  0.080 / 0.130
G06     42.4           36.4                7.3 +/-    1.27      11.4 +/-    1.27  0.040 / 0.030
G12     305.0          73.3                7.5 +/-    0.53       7.8 +/-    0.53  0.040 / 0.030
G17     88.5           10.2               10.0 +/-    3.09      27.7 +/-    3.09  0.250 / 0.450
G19     79.2           23.3                8.9 +/-    2.32      18.1 +/-    2.32  0.140 / 0.290
G24     225.1          19.5               13.4 +/-    2.76      29.7 +/-    2.76  0.160 / 0.250
G25     316.1          32.3                6.3 +/-    1.76      10.6 +/-    1.76  0.140 / 0.300
G29     289.5          12.6               10.6 +/-    2.29      27.8 +/-    2.29  0.030 / 0.030