PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-08:57:50
G02     16.8           67.9                4.5 +/-    0.43       4.8 +/-    0.43  0.050 / 0.050
G05     160.5          43.2                7.8 +/-    1.58      10.8 +/-    1.58  0.040 / 0.050
G06     44.5           30.3                4.7 +/-    0.94       8.1 +/-    0.94  0.040 / 0.020
G12     265.7          80.9                5.8 +/-    1.19       5.9 +/-    1.19  0.040 / 0.020
G19     85.1           18.5                5.8 +/-    2.00      13.1 +/-    2.00  0.110 / 0.170
G24     221.7          15.5                4.7 +/-    4.05      11.5 +/-    4.05  0.130 / 0.210
G25     313.5          38.9                2.6 +/-    0.56       3.9 +/-    0.56  0.090 / 0.200
G29     293.1          14.6                2.6 +/-    1.43       6.5 +/-    1.43  0.080 / 0.230