PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-18:43:10
G01     310.2          32.5                8.2 +/-    1.46      13.6 +/-    1.46  0.130 / 0.270
G10     100.8          41.4               10.7 +/-    0.55      15.3 +/-    0.55  0.120 / 0.250
G11     291.5          25.0               10.2 +/-    1.69      20.0 +/-    1.69  0.040 / 0.050
G14     330.4          69.6                8.9 +/-    0.64       9.4 +/-    0.64  0.040 / 0.060
G20     118.1          14.8               11.9 +/-    1.95      29.8 +/-    1.95  0.320 / 0.300
G22     308.0          20.6               10.1 +/-    1.50      22.0 +/-    1.50  0.100 / 0.170
G25     87.4           14.3               12.4 +/-    1.38      31.3 +/-    1.38  0.070 / 0.110
G31     170.6          58.5               10.7 +/-    0.89      12.3 +/-    0.89  0.070 / 0.110
G32     32.3           55.0                8.8 +/-    0.73      10.5 +/-    0.73  0.040 / 0.060