PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-15:27:50
G02     241.8          72.5               11.8 +/-    0.59      12.3 +/-    0.59  0.180 / 0.280
G05     173.0          16.0               11.4 +/-    1.41      27.6 +/-    1.41  0.150 / 0.310
G06     40.4           55.5               10.3 +/-    0.80      12.2 +/-    0.80  0.040 / 0.040
G12     322.4          57.5               10.4 +/-    0.55      12.1 +/-    0.55  0.040 / 0.040
G17     72.9           20.1               10.2 +/-    0.99      22.5 +/-    0.99  0.160 / 0.340
G19     55.0           41.4               10.8 +/-    1.43      15.3 +/-    1.43  0.300 / 0.300
G24     240.6          33.5               14.6 +/-    2.43      23.8 +/-    2.43  0.080 / 0.080
G25     316.9          15.5                4.7 +/-    2.62      11.5 +/-    2.62  0.090 / 0.090