PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-18:57:30
G10     282.2          47.1               14.9 +/-    1.81      19.6 +/-    1.81  0.040 / 0.030
G15     49.5           37.8               14.3 +/-    0.86      21.5 +/-    0.86  0.040 / 0.040
G20     327.8          64.8               15.4 +/-    0.57      16.9 +/-    0.57  0.090 / 0.150
G21     42.9           76.9               15.6 +/-    1.06      16.0 +/-    1.06  0.070 / 0.100
G24     111.7          21.0               17.7 +/-    1.74      38.0 +/-    1.74  0.070 / 0.060
G27     311.8          27.6               12.9 +/-    1.17      23.8 +/-    1.17  0.090 / 0.060
G29     168.3          19.7               18.2 +/-    4.16      40.3 +/-    4.16  0.040 / 0.070
G32     205.9          21.1               16.5 +/-    1.90      35.3 +/-    1.90  0.040 / 0.060