PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-14:28:10
G02     206.6          38.0                8.7 +/-    1.18      13.1 +/-    1.18  0.040 / 0.040
G06     133.4          76.1               10.6 +/-    0.54      10.9 +/-    0.54  0.040 / 0.040
G12     312.7          25.5                8.6 +/-    2.96      16.5 +/-    2.96  0.100 / 0.180
G17     43.8           42.4                8.0 +/-    0.84      11.2 +/-    0.84  0.080 / 0.170
G19     5.6            63.3                6.9 +/-    0.73       7.6 +/-    0.73  0.090 / 0.160
G24     287.9          42.0                7.7 +/-    1.09      10.9 +/-    1.09  0.110 / 0.150
G28     108.3          27.0                9.8 +/-    1.42      18.3 +/-    1.42  0.030 / 0.030