PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-22:42:40
G01     319.5          17.0                9.7 +/-    2.17      23.0 +/-    2.17  0.170 / 0.190
G08     256.6          13.8               12.2 +/-    1.28      31.2 +/-    1.28  0.130 / 0.160
G10     78.3           53.4               11.2 +/-    0.88      13.6 +/-    0.88  0.040 / 0.050
G11     303.2          23.3               10.3 +/-    1.74      20.9 +/-    1.74  0.040 / 0.040
G14     292.7          70.4               12.7 +/-    0.56      13.4 +/-    0.56  0.070 / 0.220
G18     304.7          41.0               11.3 +/-    1.21      16.2 +/-    1.21  0.080 / 0.210
G20     104.4          29.9               12.3 +/-    0.91      21.7 +/-    0.91  0.140 / 0.230
G31     176.7          40.3               14.5 +/-    0.97      21.0 +/-    0.97  0.170 / 0.220
G32     6.7            67.9               11.5 +/-    0.95      12.3 +/-    0.95  0.050 / 0.100