PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/07-01:12:30
G03     201.8          43.8                6.8 +/-    1.03       9.3 +/-    1.03  0.080 / 0.100
G07     269.2          24.6                3.4 +/-    2.09       6.8 +/-    2.09  0.110 / 0.120
G08     155.5          10.0              -17.2 +/-   13.80     -48.0 +/-   13.80  0.110 / 0.300
G09     316.6          40.3                2.6 +/-    1.10       3.8 +/-    1.10  0.140 / 0.340
G16     67.0           63.2                4.4 +/-    0.71       4.8 +/-    0.71  0.040 / 0.040
G22     184.5          27.9                6.0 +/-    1.16      10.9 +/-    1.16  0.030 / 0.030
G23     345.6          72.1                3.2 +/-    0.50       3.4 +/-    0.50  0.080 / 0.140
G26     45.8           33.6                3.1 +/-    1.31       5.0 +/-    1.31  0.080 / 0.150
G27     121.5          20.9                5.1 +/-    0.95      11.0 +/-    0.95  0.070 / 0.170