PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/12-17:27:50
G01     267.8          40.4               12.0 +/-    2.14      17.4 +/-    2.14  0.080 / 0.050
G03     316.4          34.3                8.9 +/-    1.76      14.3 +/-    1.76  0.070 / 0.050
G10     131.1          15.4               11.6 +/-    1.80      28.6 +/-    1.80  0.150 / 0.130
G11     251.0          19.4               11.3 +/-    2.90      25.1 +/-    2.90  0.100 / 0.200
G14     44.6           49.7                8.8 +/-    0.72      11.2 +/-    0.72  0.030 / 0.030
G22     313.6          55.2               10.3 +/-    1.21      12.2 +/-    1.21  0.030 / 0.030
G25     50.8           16.4                7.5 +/-    3.45      18.1 +/-    3.45  0.040 / 0.060
G26     146.1          27.1               12.7 +/-    2.80      23.6 +/-    2.80  0.050 / 0.070
G31     50.4           71.2               10.2 +/-    0.32      10.7 +/-    0.32  0.110 / 0.080
G32     66.6           30.5                9.3 +/-    1.17      16.1 +/-    1.17  0.120 / 0.090