PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-20:28:10
G10     274.2          42.4               11.0 +/-    1.02      15.4 +/-    1.02  0.110 / 0.150
G13     39.3           13.0                8.6 +/-    1.20      22.5 +/-    1.20  0.090 / 0.130
G15     56.0           48.1               11.3 +/-    0.44      14.6 +/-    0.44  0.050 / 0.040
G20     310.5          62.8                9.3 +/-    0.80      10.3 +/-    0.80  0.050 / 0.050
G21     23.1           75.3               11.6 +/-    0.36      11.9 +/-    0.36  0.080 / 0.280
G24     112.2          18.1               12.7 +/-    2.27      29.3 +/-    2.27  0.080 / 0.260
G27     316.0          22.6                8.1 +/-    1.94      16.6 +/-    1.94  0.120 / 0.280
G29     168.4          24.9               12.9 +/-    1.80      25.3 +/-    1.80  0.110 / 0.290
G32     205.1          15.8               14.9 +/-    2.81      36.3 +/-    2.81  0.040 / 0.050