PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-11:28:10
G02     33.2           55.1                5.3 +/-    0.52       6.3 +/-    0.52  0.040 / 0.040
G05     142.2          62.2                8.3 +/-    1.06       9.2 +/-    1.06  0.050 / 0.040
G06     53.8           16.1                2.7 +/-    1.32       6.6 +/-    1.32  0.040 / 0.030
G12     198.2          67.2                3.3 +/-    0.80       3.5 +/-    0.80  0.040 / 0.040
G19     99.8           11.1                5.2 +/-    1.02      14.2 +/-    1.02  0.080 / 0.130
G25     288.3          58.7                5.0 +/-    1.04       5.8 +/-    1.04  0.120 / 0.100
G29     308.5          29.6                3.7 +/-    1.79       6.5 +/-    1.79  0.040 / 0.030