PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/29-17:43:00
G01     293.7          39.3               11.1 +/-    5.01      16.4 +/-    5.01  0.050 / 0.070
G03     311.5          17.0                7.3 +/-    2.67      17.2 +/-    2.67  0.060 / 0.080
G10     117.9          30.9                8.7 +/-    0.59      14.9 +/-    0.59  0.050 / 0.040
G11     269.9          26.4                7.7 +/-    1.35      14.6 +/-    1.35  0.040 / 0.050
G14     19.0           60.7                7.6 +/-    1.36       8.6 +/-    1.36  0.080 / 0.080
G22     313.5          37.1                7.3 +/-    1.01      11.2 +/-    1.01  0.060 / 0.100
G25     69.6           19.0                8.0 +/-    1.47      18.0 +/-    1.47  0.070 / 0.120
G26     157.9          11.5               11.8 +/-    4.48      31.9 +/-    4.48  0.090 / 0.150
G31     139.5          77.6                9.6 +/-    0.61       9.8 +/-    0.61  0.020 / 0.020
G32     49.2           43.3                7.1 +/-    0.61       9.8 +/-    0.61  0.020 / 0.020