PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/22-22:12:50
G01     319.7          16.5                9.7 +/-    1.39      23.2 +/-    1.39  0.140 / 0.300
G08     257.1          14.1               12.6 +/-    1.91      32.0 +/-    1.91  0.340 / 0.310
G10     77.4           53.7               11.5 +/-    0.90      13.9 +/-    0.90  0.170 / 0.330
G11     303.7          23.0                9.6 +/-    2.54      19.6 +/-    2.54  0.140 / 0.210
G14     291.1          70.3               12.8 +/-    1.05      13.5 +/-    1.05  0.040 / 0.050
G18     305.1          40.7               11.2 +/-    1.12      16.1 +/-    1.12  0.040 / 0.050
G20     103.9          30.3               14.1 +/-    0.94      24.5 +/-    0.94  0.070 / 0.200
G27     226.6          10.3               15.1 +/-    4.09      41.8 +/-    4.09  0.070 / 0.240
G31     177.1          39.4               17.8 +/-    1.56      26.1 +/-    1.56  0.120 / 0.240
G32     5.2            68.5               12.4 +/-    0.45      13.2 +/-    0.45  0.140 / 0.240