PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/24-19:42:50
G01     274.6          41.7                8.4 +/-    1.36      11.8 +/-    1.36  0.050 / 0.090
G03     315.3          27.0                6.3 +/-    1.73      11.8 +/-    1.73  0.070 / 0.090
G10     127.9          18.5               10.9 +/-    1.03      24.9 +/-    1.03  0.090 / 0.210
G11     251.5          21.1               10.7 +/-    2.53      23.0 +/-    2.53  0.090 / 0.300
G14     40.7           51.3                6.6 +/-    0.45       8.2 +/-    0.45  0.110 / 0.260
G18     232.6          40.4                8.9 +/-    1.68      12.8 +/-    1.68  0.150 / 0.250
G22     314.5          48.9                7.7 +/-    1.10       9.8 +/-    1.10  0.040 / 0.070
G25     50.5           14.4                5.2 +/-    1.26      13.1 +/-    1.26  0.040 / 0.070
G31     76.8           80.6                8.7 +/-    0.93       8.8 +/-    0.93  0.050 / 0.050
G32     60.8           35.3                7.0 +/-    0.61      11.0 +/-    0.61  0.040 / 0.060