PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/26-18:43:10
G01     303.9          35.7                9.3 +/-    1.38      14.6 +/-    1.38  0.090 / 0.090
G10     109.8          36.6               12.1 +/-    0.63      18.7 +/-    0.63  0.110 / 0.080
G11     276.0          28.2               10.3 +/-    1.05      18.8 +/-    1.05  0.040 / 0.040
G14     6.3            64.9                7.9 +/-    1.08       8.6 +/-    1.08  0.040 / 0.050
G18     265.6          51.4               11.5 +/-    0.68      14.2 +/-    0.68  0.050 / 0.070
G20     122.7          11.2               12.7 +/-    2.06      34.6 +/-    2.06  0.040 / 0.080
G22     311.1          28.7                8.2 +/-    1.16      14.7 +/-    1.16  0.100 / 0.170
G25     73.2           16.0                8.1 +/-    1.37      19.6 +/-    1.37  0.080 / 0.190
G31     171.8          65.5               12.8 +/-    1.09      13.9 +/-    1.09  0.060 / 0.140
G32     38.6           50.9                8.8 +/-    0.54      11.0 +/-    0.54  0.070 / 0.120