PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-21:27:40
G08     300.9          22.1               16.6 +/-    0.85      34.8 +/-    0.85  0.050 / 0.090
G10     347.0          61.9               16.1 +/-    0.82      18.0 +/-    0.82  0.050 / 0.070
G14     223.4          39.8               19.9 +/-    1.06      29.0 +/-    1.06  0.050 / 0.080
G18     52.6           55.1               17.3 +/-    0.48      20.6 +/-    0.48  0.050 / 0.080
G21     140.7          45.9               24.8 +/-    0.93      33.0 +/-    0.93  0.070 / 0.110
G24     66.0           29.5               16.7 +/-    0.40      29.6 +/-    0.40  0.080 / 0.070
G27     262.4          35.3               20.3 +/-    1.23      32.0 +/-    1.23  0.030 / 0.060
G32     231.9          57.4               20.5 +/-    1.19      23.8 +/-    1.19  0.030 / 0.040