PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-17:43:00
G02     88.0           11.7               12.3 +/-    2.14      33.0 +/-    2.14  0.140 / 0.330
G05     45.3           30.3                9.6 +/-    0.95      16.7 +/-    0.95  0.190 / 0.330
G13     90.0           35.2               12.0 +/-    0.81      19.0 +/-    0.81  0.050 / 0.110
G15     143.9          42.5               15.2 +/-    0.55      21.2 +/-    0.55  0.090 / 0.090
G20     238.9          28.1               14.0 +/-    3.28      25.5 +/-    3.28  0.070 / 0.100
G21     303.4          40.3               11.7 +/-    0.95      16.9 +/-    0.95  0.070 / 0.130
G25     202.6          18.6               13.9 +/-    1.95      31.7 +/-    1.95  0.050 / 0.090
G26     299.2          19.7               11.9 +/-    1.27      26.3 +/-    1.27  0.050 / 0.090
G29     126.9          85.1               11.7 +/-    1.13      11.7 +/-    1.13  0.040 / 0.070