PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-00:27:50
G07     314.1          50.4                6.0 +/-    0.71       7.5 +/-    0.71  0.080 / 0.150
G08     118.1          45.2                9.1 +/-    0.51      12.2 +/-    0.51  0.080 / 0.160
G09     207.0          84.1                6.2 +/-    0.49       6.2 +/-    0.49  0.040 / 0.050
G16     43.4           16.7                2.3 +/-    3.00       5.6 +/-    3.00  0.040 / 0.050
G23     149.4          57.6              -15.1 +/-    0.69     -17.5 +/-    0.69  0.230 / 0.280
G27     70.9           36.3                6.2 +/-    0.93       9.5 +/-    0.93  0.260 / 0.310
G30     289.2          22.8                5.3 +/-    1.68      10.9 +/-    1.68  0.040 / 0.050