PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-23:57:40
G01     319.6          15.9                9.0 +/-    1.21      21.9 +/-    1.21  0.030 / 0.040
G08     258.4          14.4               12.8 +/-    1.45      32.4 +/-    1.45  0.030 / 0.040
G10     74.7           55.4               10.5 +/-    0.51      12.5 +/-    0.51  0.150 / 0.300
G11     304.5          22.8               10.6 +/-    1.28      21.9 +/-    1.28  0.130 / 0.260
G14     292.6          70.7               11.3 +/-    0.62      11.9 +/-    0.62  0.250 / 0.300
G18     99.6           30.6               12.3 +/-    0.66      21.4 +/-    0.66  0.020 / 0.030
G27     224.5          9.9                15.4 +/-   17.95      42.9 +/-   17.95  0.020 / 0.030
G31     179.5          36.3               15.0 +/-    1.84      23.3 +/-    1.84  0.050 / 0.070
G32     352.4          70.7               10.4 +/-    0.60      10.9 +/-    0.60  0.050 / 0.070