PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-02:28:00
G01     126.6          9.9               -14.9 +/-   29.30     -41.5 +/-   29.30  0.050 / 0.040
G07     44.3           69.9                6.3 +/-    0.73       6.7 +/-    0.73  0.050 / 0.040
G08     51.9           40.4                3.7 +/-    1.20       5.3 +/-    1.20  0.130 / 0.590
G09     174.5          34.8                7.9 +/-    1.23      12.6 +/-    1.23  0.260 / 0.640
G11     125.6          34.5                8.6 +/-    1.53      13.7 +/-    1.53  0.030 / 0.040
G13     321.1          11.0               -4.6 +/-   13.25     -12.7 +/-   13.25  0.030 / 0.020
G17     198.7          12.8                4.9 +/-    2.90      12.8 +/-    2.90  0.080 / 0.080
G23     160.9          10.8                5.6 +/-    8.97      15.3 +/-    8.97  0.060 / 0.060
G28     264.2          44.0                4.8 +/-    3.96       6.6 +/-    3.96  0.100 / 0.110
G30     325.0          55.2                4.9 +/-    0.64       5.8 +/-    0.64  0.140 / 0.100