PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-22:12:40
G03     223.2          63.4                9.9 +/-    1.06      10.9 +/-    1.06  0.050 / 0.070
G07     253.2          12.5               11.6 +/-    4.77      30.7 +/-    4.77  0.040 / 0.060
G09     309.6          29.2                6.8 +/-    1.06      12.1 +/-    1.06  0.160 / 0.470
G14     104.2          12.8                7.9 +/-    1.45      20.7 +/-    1.45  0.120 / 0.400
G16     104.9          62.2                9.1 +/-    0.69      10.2 +/-    0.69  0.040 / 0.050
G22     192.7          47.4               10.7 +/-    0.47      14.0 +/-    0.47  0.040 / 0.040
G23     325.3          55.2                8.1 +/-    0.44       9.7 +/-    0.44  0.050 / 0.030
G26     59.0           46.9                4.9 +/-    0.48       6.5 +/-    0.48  0.040 / 0.040
G31     56.6           13.8                5.4 +/-    1.69      13.8 +/-    1.69  0.040 / 0.060