PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-21:57:50
G01     316.8          24.1                8.9 +/-    2.07      17.8 +/-    2.07  0.150 / 0.400
G08     254.6          11.0                9.5 +/-    3.19      25.8 +/-    3.19  0.150 / 0.360
G10     88.0           48.4                9.7 +/-    0.26      12.5 +/-    0.26  0.110 / 0.420
G11     300.5          23.2                9.1 +/-    1.87      18.5 +/-    1.87  0.040 / 0.050
G14     301.6          70.0               11.0 +/-    0.62      11.6 +/-    0.62  0.040 / 0.040
G20     110.3          23.7                9.7 +/-    0.98      19.6 +/-    0.98  0.100 / 0.200
G22     303.2          12.3                8.8 +/-    2.73      23.3 +/-    2.73  0.080 / 0.180
G25     97.9           10.1              -16.5 +/-   25.06     -46.0 +/-   25.06  0.150 / 0.620
G31     173.4          48.1               12.1 +/-    0.95      15.6 +/-    0.95  0.130 / 0.580
G32     18.0           63.4                8.9 +/-    0.66       9.9 +/-    0.66  0.030 / 0.040