PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-12:57:50
G03     199.1          40.7                7.6 +/-    1.33      10.9 +/-    1.33  0.200 / 0.360
G07     271.0          25.3                9.3 +/-    1.58      18.2 +/-    1.58  0.190 / 0.410
G08     155.8          11.0               -2.1 +/-   32.80      -5.7 +/-   32.80  0.090 / 0.160
G09     317.7          43.3                5.0 +/-    1.80       7.0 +/-    1.80  0.100 / 0.160
G16     56.3           55.4                6.5 +/-    0.78       7.8 +/-    0.78  0.020 / 0.030
G22     181.3          22.6                6.9 +/-    2.40      14.3 +/-    2.40  0.030 / 0.030
G23     4.9            77.2                6.7 +/-    0.98       6.9 +/-    0.98  0.080 / 0.220
G26     44.1           27.1                6.9 +/-    2.43      12.9 +/-    2.43  0.120 / 0.170
G27     120.6          22.2                9.0 +/-    0.87      18.8 +/-    0.87  0.040 / 0.050