PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-09:57:40
G02     355.4          75.8                5.2 +/-    0.75       5.3 +/-    0.75  0.050 / 0.060
G05     164.2          36.4               10.3 +/-    1.10      15.9 +/-    1.10  0.050 / 0.060
G06     42.1           37.9                3.5 +/-    0.63       5.3 +/-    0.63  0.030 / 0.030
G12     303.8          74.5                5.1 +/-    0.69       5.2 +/-    0.69  0.030 / 0.030
G19     77.4           26.6                5.9 +/-    1.68      11.2 +/-    1.68  0.150 / 0.350
G24     220.9          18.5                5.6 +/-    1.84      12.9 +/-    1.84  0.160 / 0.350
G25     315.0          38.7                5.7 +/-    2.31       8.5 +/-    2.31  0.050 / 0.070
G29     289.5          12.3                4.7 +/-    1.76      12.4 +/-    1.76  0.060 / 0.080