PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-11:57:30
G02     36.5           52.3                3.6 +/-    0.82       4.4 +/-    0.82  0.050 / 0.030
G05     135.6          65.3                5.0 +/-    0.52       5.4 +/-    0.52  0.030 / 0.030
G06     56.0           13.1                1.7 +/-    1.36       4.3 +/-    1.36  0.040 / 0.040
G12     194.1          62.9                5.5 +/-    0.56       6.1 +/-    0.56  0.040 / 0.040
G25     281.0          60.0                1.6 +/-    3.12       1.8 +/-    3.12  0.070 / 0.090
G29     311.1          32.3                3.4 +/-    1.38       5.6 +/-    1.38  0.050 / 0.090