PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-22:12:30
G03     185.6          10.7                8.9 +/-    2.47      24.4 +/-    2.47  0.050 / 0.060
G07     300.8          43.1                8.2 +/-    2.83      11.4 +/-    2.83  0.040 / 0.070
G08     135.1          36.1               11.7 +/-    0.53      18.2 +/-    0.53  0.060 / 0.070
G09     314.5          72.3                7.9 +/-    0.82       8.2 +/-    0.82  0.050 / 0.070
G16     41.6           30.3                8.2 +/-    1.20      14.2 +/-    1.20  0.100 / 0.120
G23     138.1          68.3                9.5 +/-    0.30      10.2 +/-    0.30  0.120 / 0.120
G27     85.2           36.6                9.5 +/-    0.77      14.6 +/-    0.77  0.210 / 0.390
G30     283.3          22.2               10.3 +/-    1.80      21.4 +/-    1.80  0.170 / 0.410