PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-21:42:40
G01     242.2          30.7               12.1 +/-    1.61      20.8 +/-    1.61  0.050 / 0.040
G03     313.5          51.2                7.6 +/-    1.50       9.4 +/-    1.50  0.030 / 0.040
G14     68.7           35.4                7.8 +/-    0.84      12.3 +/-    0.84  0.060 / 0.250
G16     159.4          25.3               12.1 +/-    1.21      23.5 +/-    1.21  0.060 / 0.220
G22     289.1          72.0                8.1 +/-    0.79       8.5 +/-    0.79  0.050 / 0.140
G23     291.9          22.7                8.4 +/-    1.69      17.3 +/-    1.69  0.060 / 0.150
G26     130.8          44.0               11.7 +/-    0.64      16.1 +/-    0.64  0.040 / 0.050
G31     39.8           53.8                6.9 +/-    0.64       8.3 +/-    0.64  0.040 / 0.050
G32     83.7           18.5                9.1 +/-    0.97      20.9 +/-    0.97  0.100 / 0.150