PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-21:12:40
G10     300.8          53.0                9.3 +/-    1.40      11.3 +/-    1.40  0.050 / 0.090
G14     210.8          13.2               14.9 +/-    1.18      38.7 +/-    1.18  0.080 / 0.100
G15     46.4           30.7                8.8 +/-    0.59      15.1 +/-    0.59  0.110 / 0.570
G20     357.5          65.2               10.7 +/-    1.39      11.6 +/-    1.39  0.100 / 0.430
G21     103.1          72.5               11.3 +/-    0.42      11.8 +/-    0.42  0.040 / 0.040
G24     92.2           26.8               11.5 +/-    0.99      21.6 +/-    0.99  0.030 / 0.050
G27     299.3          34.3                9.7 +/-    1.11      15.7 +/-    1.11  0.140 / 0.150
G32     211.2          34.9               13.8 +/-    1.34      22.0 +/-    1.34  0.110 / 0.180