PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-19:27:50
G01     266.8          42.5                9.5 +/-    2.29      13.3 +/-    2.29  0.050 / 0.050
G03     315.9          28.3                7.9 +/-    0.92      14.4 +/-    0.92  0.050 / 0.050
G10     129.5          14.7               10.8 +/-    1.95      26.9 +/-    1.95  0.050 / 0.060
G11     254.9          18.8                9.2 +/-    6.31      20.9 +/-    6.31  0.040 / 0.060
G14     38.3           53.1                7.8 +/-    1.16       9.4 +/-    1.16  0.080 / 0.220
G22     314.2          50.9                8.0 +/-    1.03       9.9 +/-    1.03  0.140 / 0.220
G25     52.5           16.1                7.9 +/-    1.25      19.1 +/-    1.25  0.090 / 0.130
G26     148.5          25.1               12.7 +/-    0.84      24.7 +/-    0.84  0.120 / 0.140
G31     57.9           74.4                8.7 +/-    0.31       9.0 +/-    0.31  0.200 / 0.270
G32     64.9           30.9                8.5 +/-    1.13      14.5 +/-    1.13  0.250 / 0.330