PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-13:58:10
G08     275.8          19.6                4.3 +/-    1.20       9.5 +/-    1.20  0.210 / 0.310
G10     49.8           60.7                3.5 +/-    0.96       3.9 +/-    0.96  0.400 / 0.250
G11     316.6          11.0               -4.3 +/-    9.59     -11.8 +/-    9.59  0.040 / 0.050
G14     254.1          60.9                5.3 +/-    0.58       6.0 +/-    0.58  0.040 / 0.050
G21     153.0          18.9                4.7 +/-    1.60      10.6 +/-    1.60  0.090 / 0.090
G24     42.4           14.5                3.4 +/-    3.26       8.6 +/-    3.26  0.090 / 0.120
G27     235.2          19.3                4.0 +/-    4.85       9.0 +/-    4.85  0.110 / 0.250
G31     178.8          25.5                4.5 +/-    1.77       8.7 +/-    1.77  0.160 / 0.230
G32     320.8          76.0                4.5 +/-    0.43       4.6 +/-    0.43  0.250 / 0.150