PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-21:43:10
G01     222.3          15.5               20.7 +/-    3.00      50.9 +/-    3.00  0.050 / 0.030
G03     286.4          67.8                8.5 +/-    0.50       9.1 +/-    0.50  0.050 / 0.040
G09     296.2          12.7                7.6 +/-    5.46      20.1 +/-    5.46  0.080 / 0.180
G14     85.4           27.0                7.8 +/-    1.99      14.5 +/-    1.99  0.080 / 0.170
G16     142.3          46.7               10.1 +/-    1.33      13.3 +/-    1.33  0.030 / 0.030
G22     216.8          69.3                9.5 +/-    0.67      10.1 +/-    0.67  0.030 / 0.030
G23     308.3          38.2                7.1 +/-    1.50      10.6 +/-    1.50  0.040 / 0.060
G26     94.7           54.3                6.6 +/-    1.01       7.9 +/-    1.01  0.040 / 0.060
G31     46.1           31.0                6.6 +/-    1.09      11.3 +/-    1.09  0.080 / 0.090