PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-15:12:30
G02     11.6           69.0                8.5 +/-    1.27       9.1 +/-    1.27  0.110 / 0.340
G05     159.3          46.0               10.8 +/-    0.95      14.3 +/-    0.95  0.140 / 0.610
G06     46.1           27.0                5.7 +/-    1.90      10.7 +/-    1.90  0.150 / 0.180
G12     251.4          80.4                9.6 +/-    0.89       9.7 +/-    0.89  0.090 / 0.170
G19     87.5           17.1                8.5 +/-    1.80      20.2 +/-    1.80  0.040 / 0.040
G24     219.7          13.5                9.8 +/-    1.74      25.3 +/-    1.74  0.040 / 0.040
G25     312.5          40.3                9.1 +/-    0.95      13.2 +/-    0.95  0.030 / 0.030
G29     295.5          16.8                8.4 +/-    2.31      20.1 +/-    2.31  0.030 / 0.020