PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-20:12:40
G10     253.1          27.9               19.9 +/-    2.36      36.4 +/-    2.36  0.090 / 0.340
G13     52.0           29.6               16.3 +/-    1.14      28.8 +/-    1.14  0.090 / 0.230
G15     80.2           56.5               17.9 +/-    1.03      21.1 +/-    1.03  0.040 / 0.060
G16     297.1          13.6               13.6 +/-    2.75      34.9 +/-    2.75  0.040 / 0.040
G18     274.3          58.2               18.8 +/-    0.75      21.7 +/-    0.75  0.080 / 0.360
G20     44.6           46.3               16.7 +/-    0.65      22.1 +/-    0.65  0.090 / 0.310
G21     340.7          63.7               17.0 +/-    0.68      18.8 +/-    0.68  0.040 / 0.070
G26     269.6          14.1               17.5 +/-    1.24      44.5 +/-    1.24  0.040 / 0.060
G29     163.3          41.5               20.8 +/-    1.38      29.5 +/-    1.38  0.120 / 0.130