PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-20:27:50
G01     246.6          35.5               11.1 +/-    1.08      17.4 +/-    1.08  0.030 / 0.050
G03     316.3          43.1                8.7 +/-    2.56      12.1 +/-    2.56  0.040 / 0.040
G11     240.7          11.0                9.5 +/-    2.48      26.1 +/-    2.48  0.110 / 0.470
G14     57.0           44.0                8.3 +/-    0.67      11.4 +/-    0.67  0.140 / 0.380
G16     160.9          19.5                1.8 +/-   19.39       4.1 +/-   19.39  0.070 / 0.120
G22     304.1          65.6                9.1 +/-    0.84       9.9 +/-    0.84  0.090 / 0.100
G23     287.0          19.6               10.3 +/-    1.47      23.0 +/-    1.47  0.050 / 0.090
G26     136.1          38.6               10.9 +/-    1.27      16.3 +/-    1.27  0.050 / 0.090
G31     41.6           58.2                9.1 +/-    0.66      10.6 +/-    0.66  0.050 / 0.070
G32     78.2           20.9                8.5 +/-    1.13      18.4 +/-    1.13  0.050 / 0.080