PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-15:28:10
G02     10.8           69.3                9.6 +/-    0.42      10.2 +/-    0.42  0.050 / 0.110
G05     159.2          45.9               12.2 +/-    1.05      16.2 +/-    1.05  0.050 / 0.110
G06     46.0           27.2                6.2 +/-    1.37      11.6 +/-    1.37  0.160 / 0.410
G12     253.7          80.4                8.8 +/-    0.71       8.9 +/-    0.71  0.130 / 0.460
G19     87.4           17.2                9.2 +/-    0.67      21.6 +/-    0.67  0.020 / 0.030
G24     219.7          13.6               11.1 +/-    2.21      28.7 +/-    2.21  0.030 / 0.030
G25     312.6          40.1                7.8 +/-    1.48      11.4 +/-    1.48  0.090 / 0.210
G29     295.4          16.7                8.0 +/-    1.70      19.1 +/-    1.70  0.120 / 0.250