PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/02-22:57:50
G08     300.6          22.3               12.8 +/-    1.51      26.7 +/-    1.51  0.030 / 0.040
G10     346.9          61.9               12.4 +/-    0.81      13.8 +/-    0.81  0.030 / 0.040
G14     223.4          40.1               19.3 +/-    1.00      28.1 +/-    1.00  0.050 / 0.080
G18     51.9           55.4               14.3 +/-    0.30      17.0 +/-    0.30  0.050 / 0.080
G21     140.7          46.9               17.6 +/-    0.91      23.1 +/-    0.91  0.050 / 0.070
G24     66.0           29.5               15.0 +/-    0.60      26.6 +/-    0.60  0.040 / 0.090
G27     262.3          35.3               16.6 +/-    1.62      26.2 +/-    1.62  0.070 / 0.130
G32     231.7          56.6               17.6 +/-    1.40      20.6 +/-    1.40  0.060 / 0.110