PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-18:42:50
G01     269.4          40.7               11.8 +/-    1.26      16.9 +/-    1.26  0.040 / 0.050
G03     316.1          32.1               11.9 +/-    1.47      19.9 +/-    1.47  0.040 / 0.050
G10     130.4          16.5               12.5 +/-    1.40      29.9 +/-    1.40  0.070 / 0.190
G11     251.5          20.0               13.4 +/-    1.36      29.5 +/-    1.36  0.080 / 0.150
G14     43.8           50.0               10.4 +/-    1.20      13.2 +/-    1.20  0.040 / 0.040
G22     313.9          53.2               10.6 +/-    1.11      12.9 +/-    1.11  0.040 / 0.030
G25     51.7           16.7               10.0 +/-    1.66      23.9 +/-    1.66  0.090 / 0.210
G26     147.5          25.8               13.5 +/-    1.90      25.9 +/-    1.90  0.090 / 0.210
G31     53.0           73.2               11.1 +/-    0.73      11.6 +/-    0.73  0.050 / 0.090
G32     65.3           31.6               11.1 +/-    0.84      18.9 +/-    0.84  0.050 / 0.090