PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-01:57:40
G03     201.9          44.0                6.3 +/-    1.36       8.6 +/-    1.36  0.070 / 0.140
G07     269.8          25.8                5.7 +/-    1.15      10.9 +/-    1.15  0.070 / 0.110
G08     153.6          10.9               -9.0 +/-   35.44     -24.6 +/-   35.44  0.080 / 0.120
G09     318.4          44.9                1.4 +/-    1.37       1.9 +/-    1.37  0.070 / 0.120
G16     61.5           58.5                3.7 +/-    0.62       4.2 +/-    0.62  0.080 / 0.150
G22     185.0          27.5                6.3 +/-    1.82      11.6 +/-    1.82  0.080 / 0.100
G23     343.3          71.5                4.2 +/-    1.06       4.4 +/-    1.06  0.030 / 0.040
G26     45.6           31.8                2.9 +/-    0.47       5.0 +/-    0.47  0.030 / 0.040
G27     124.6          20.1                7.2 +/-    1.18      15.7 +/-    1.18  0.030 / 0.050