PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-18:42:50
G01     305.8          35.9                9.7 +/-    1.18      15.1 +/-    1.18  0.080 / 0.160
G10     106.2          37.8               13.1 +/-    1.23      19.7 +/-    1.23  0.070 / 0.160
G11     286.1          25.6               10.4 +/-    1.00      20.1 +/-    1.00  0.050 / 0.060
G14     344.7          68.3                8.7 +/-    0.61       9.3 +/-    0.61  0.070 / 0.050
G20     121.3          11.0               12.4 +/-    2.01      34.0 +/-    2.01  0.050 / 0.070
G22     310.0          24.7                7.9 +/-    0.88      15.5 +/-    0.88  0.050 / 0.060
G25     82.4           16.0               12.2 +/-    2.68      29.8 +/-    2.68  0.130 / 0.170
G31     167.0          64.2               11.1 +/-    0.90      12.1 +/-    0.90  0.130 / 0.190
G32     37.8           51.2                9.6 +/-    1.52      11.9 +/-    1.52  0.040 / 0.030