PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-12:57:50
G03     213.5          58.9                9.6 +/-    1.15      11.0 +/-    1.15  0.160 / 0.250
G07     255.9          14.0                7.1 +/-    1.43      18.0 +/-    1.43  0.150 / 0.310
G09     309.8          27.2                7.0 +/-    1.87      12.9 +/-    1.87  0.060 / 0.320
G14     107.4          10.6                8.4 +/-    2.82      23.0 +/-    2.82  0.060 / 0.280
G16     95.0           63.8                9.8 +/-    0.80      10.8 +/-    0.80  0.040 / 0.070
G22     185.8          40.6                8.9 +/-    0.91      12.8 +/-    0.91  0.050 / 0.070
G23     333.7          62.0                8.1 +/-    0.85       9.0 +/-    0.85  0.040 / 0.060
G26     53.5           42.5                8.6 +/-    1.11      12.1 +/-    1.11  0.030 / 0.030
G27     135.0          9.8               -13.3 +/-   17.69     -37.3 +/-   17.69  0.030 / 0.040