PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/24-20:27:50
G01     283.1          41.2                9.6 +/-    4.93      13.7 +/-    4.93  0.040 / 0.060
G03     313.8          22.1               10.0 +/-    2.21      20.9 +/-    2.21  0.040 / 0.060
G10     124.0          24.7               13.5 +/-    1.89      26.6 +/-    1.89  0.030 / 0.020
G11     260.0          24.3               13.4 +/-    3.16      26.6 +/-    3.16  0.030 / 0.020
G14     32.3           55.3                9.2 +/-    0.77      10.9 +/-    0.77  0.090 / 0.110
G22     314.4          43.1               10.2 +/-    0.94      14.1 +/-    0.94  0.070 / 0.160
G25     60.8           18.6                8.7 +/-    2.30      19.7 +/-    2.30  0.050 / 0.040
G26     154.5          17.1               17.2 +/-    1.66      40.7 +/-    1.66  0.050 / 0.050
G31     100.0          80.8               11.9 +/-    0.47      12.0 +/-    0.47  0.050 / 0.050
G32     56.0           38.7                9.6 +/-    1.50      14.2 +/-    1.50  0.050 / 0.060