PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-17:58:10
G01     315.2          25.6                7.9 +/-    2.32      15.3 +/-    2.32  0.080 / 0.140
G10     93.2           46.9               11.2 +/-    0.37      14.7 +/-    0.37  0.070 / 0.150
G11     292.7          27.1                8.5 +/-    1.20      15.8 +/-    1.20  0.050 / 0.050
G14     329.2          71.0               10.9 +/-    0.91      11.4 +/-    0.91  0.040 / 0.040
G18     290.4          48.9               11.5 +/-    0.94      14.7 +/-    0.94  0.050 / 0.050
G20     112.9          22.2               11.5 +/-    1.66      24.1 +/-    1.66  0.030 / 0.040
G22     305.4          17.1                8.2 +/-    1.25      19.4 +/-    1.25  0.080 / 0.190
G25     87.9           11.9               10.8 +/-    2.34      28.9 +/-    2.34  0.080 / 0.200
G31     178.1          48.4               13.2 +/-    0.63      17.0 +/-    0.63  0.160 / 0.220
G32     20.4           61.7                9.9 +/-    0.61      11.1 +/-    0.61  0.110 / 0.190