PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-19:28:00
G01     314.4          26.6               13.1 +/-    1.19      24.6 +/-    1.19  0.170 / 0.170
G10     94.9           46.1               15.6 +/-    0.74      20.7 +/-    0.74  0.100 / 0.150
G11     291.2          27.4               12.8 +/-    0.98      23.7 +/-    0.98  0.060 / 0.030
G14     332.7          70.6               14.3 +/-    0.67      15.1 +/-    0.67  0.050 / 0.040
G20     113.9          21.2               16.6 +/-    1.11      35.4 +/-    1.11  0.040 / 0.040
G22     305.8          17.7               12.5 +/-    2.33      29.0 +/-    2.33  0.040 / 0.050
G25     86.0           12.4               24.9 +/-    2.03      65.7 +/-    2.03  0.140 / 0.180
G31     176.5          51.1               17.5 +/-    0.78      21.8 +/-    0.78  0.130 / 0.170
G32     23.4           60.3               14.7 +/-    0.72      16.7 +/-    0.72  0.130 / 0.140