PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/18-17:43:00
G01     314.9          27.3                9.0 +/-    1.45      16.7 +/-    1.45  0.150 / 0.280
G10     92.2           46.2               12.7 +/-    0.85      16.9 +/-    0.85  0.140 / 0.270
G11     299.3          23.0                9.3 +/-    1.54      19.1 +/-    1.54  0.050 / 0.040
G14     309.8          70.2               11.2 +/-    0.62      11.8 +/-    0.62  0.040 / 0.040
G20     113.1          19.9               11.0 +/-    2.00      24.3 +/-    2.00  0.030 / 0.040
G22     305.0          15.4                8.0 +/-    2.28      19.8 +/-    2.28  0.040 / 0.050
G25     94.0           11.5               11.7 +/-    1.65      31.7 +/-    1.65  0.140 / 0.250
G31     174.3          50.0               14.2 +/-    1.13      17.9 +/-    1.13  0.130 / 0.190
G32     23.8           60.4               11.5 +/-    1.05      13.1 +/-    1.05  0.030 / 0.050