PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-07:42:50
G02     216.5          63.8               10.1 +/-    1.04      11.1 +/-    1.04  0.080 / 0.090
G06     55.5           73.3                8.8 +/-    0.83       9.2 +/-    0.83  0.080 / 0.080
G12     318.9          38.9                4.0 +/-    1.67       5.9 +/-    1.67  0.040 / 0.050
G17     58.1           30.9                6.2 +/-    0.93      10.7 +/-    0.93  0.050 / 0.040
G19     42.2           46.7                5.5 +/-    0.63       7.2 +/-    0.63  0.080 / 0.260
G24     265.6          40.7                6.4 +/-    1.50       9.2 +/-    1.50  0.080 / 0.190
G28     120.7          20.9                9.2 +/-    1.16      19.8 +/-    1.16  0.050 / 0.060