PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/27-22:13:10
G03     192.6          27.3               10.6 +/-    3.09      19.6 +/-    3.09  0.090 / 0.400
G07     282.7          32.8                7.1 +/-    1.16      11.7 +/-    1.16  0.080 / 0.300
G08     147.9          21.2               12.8 +/-    1.58      27.3 +/-    1.58  0.030 / 0.030
G09     320.2          53.9                9.4 +/-    1.26      11.4 +/-    1.26  0.020 / 0.030
G16     46.3           47.8                7.5 +/-    0.37       9.7 +/-    0.37  0.100 / 0.190
G22     179.2          12.9               10.5 +/-    2.21      27.6 +/-    2.21  0.090 / 0.160
G23     64.2           82.9                7.5 +/-    0.64       7.5 +/-    0.64  0.040 / 0.060
G26     43.0           18.3                6.5 +/-    0.57      14.8 +/-    0.57  0.040 / 0.070
G27     107.1          30.1                9.8 +/-    0.62      17.1 +/-    0.62  0.060 / 0.120
G30     269.0          10.9               -5.2 +/-   32.45     -14.1 +/-   32.45  0.050 / 0.100